Home / 85,100,544,059.10-127,650,816,088.65-83,939,593,479.90

Finding the Fourth Proportional to 85,100,544,059.10, 127,650,816,088.65 and 83,939,593,479.90

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Solution

The fourth proportional to 85,100,544,059.10, 127,650,816,088.65 and 83,939,593,479.90 is: 125,909,390,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,544,059.10 : 127,650,816,088.65 = 83,939,593,479.90 : x
  2. Step 2: Convert to fraction form
    85,100,544,059.10/127,650,816,088.65 = 83,939,593,479.90/x
  3. Step 3: Cross multiply
    85,100,544,059.10x = 127,650,816,088.65 × 83,939,593,479.90
  4. Step 4: Simplify right side
    85,100,544,059.10x = 10,714,957,609,858,758,606,848
  5. Step 5: Solve for x
    x = 10,714,957,609,858,758,606,848/85,100,544,059.10
  6. Step 6: Final answer
    x = 125,909,390,219.85

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Double scale
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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.