Home / 70,986,128.25-106,260,998.68-60,513,960.16

Finding the Fourth Proportional to 70,986,128.25, 106,260,998.68 and 60,513,960.16

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Solution

The fourth proportional to 70,986,128.25, 106,260,998.68 and 60,513,960.16 is: 90,584,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986,128.25 : 106,260,998.68 = 60,513,960.16 : x
  2. Step 2: Convert to fraction form
    70,986,128.25/106,260,998.68 = 60,513,960.16/x
  3. Step 3: Cross multiply
    70,986,128.25x = 106,260,998.68 × 60,513,960.16
  4. Step 4: Simplify right side
    70,986,128.25x = 6,430,273,840,891,802
  5. Step 5: Solve for x
    x = 6,430,273,840,891,802/70,986,128.25
  6. Step 6: Final answer
    x = 90,584,935.38

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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.