Home / 100,150,219.80-150,225,329.70-91,062,578.70

Finding the Fourth Proportional to 100,150,219.80, 150,225,329.70 and 91,062,578.70

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Solution

The fourth proportional to 100,150,219.80, 150,225,329.70 and 91,062,578.70 is: 136,593,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,150,219.80 : 150,225,329.70 = 91,062,578.70 : x
  2. Step 2: Convert to fraction form
    100,150,219.80/150,225,329.70 = 91,062,578.70/x
  3. Step 3: Cross multiply
    100,150,219.80x = 150,225,329.70 × 91,062,578.70
  4. Step 4: Simplify right side
    100,150,219.80x = 13,679,905,908,539,696
  5. Step 5: Solve for x
    x = 13,679,905,908,539,696/100,150,219.80
  6. Step 6: Final answer
    x = 136,593,868.05

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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.