Home / 87,792,073.80-131,688,110.70-55,338,743.40

Finding the Fourth Proportional to 87,792,073.80, 131,688,110.70 and 55,338,743.40

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Solution

The fourth proportional to 87,792,073.80, 131,688,110.70 and 55,338,743.40 is: 83,008,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,792,073.80 : 131,688,110.70 = 55,338,743.40 : x
  2. Step 2: Convert to fraction form
    87,792,073.80/131,688,110.70 = 55,338,743.40/x
  3. Step 3: Cross multiply
    87,792,073.80x = 131,688,110.70 × 55,338,743.40
  4. Step 4: Simplify right side
    87,792,073.80x = 7,287,454,566,858,094
  5. Step 5: Solve for x
    x = 7,287,454,566,858,094/87,792,073.80
  6. Step 6: Final answer
    x = 83,008,115.10

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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.