Home / 85,100,544,074.10-127,650,816,111.15-51,578,096,099.70

Finding the Fourth Proportional to 85,100,544,074.10, 127,650,816,111.15 and 51,578,096,099.70

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Solution

The fourth proportional to 85,100,544,074.10, 127,650,816,111.15 and 51,578,096,099.70 is: 77,367,144,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,544,074.10 : 127,650,816,111.15 = 51,578,096,099.70 : x
  2. Step 2: Convert to fraction form
    85,100,544,074.10/127,650,816,111.15 = 51,578,096,099.70/x
  3. Step 3: Cross multiply
    85,100,544,074.10x = 127,650,816,111.15 × 51,578,096,099.70
  4. Step 4: Simplify right side
    85,100,544,074.10x = 6,583,986,060,586,026,795,008
  5. Step 5: Solve for x
    x = 6,583,986,060,586,026,795,008/85,100,544,074.10
  6. Step 6: Final answer
    x = 77,367,144,149.55

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Double scale
Find fourth proportional to 85,100,544,075.10, 127,650,816,112.65 and 51,578,096,100.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.