Home / 150,423,935.93-207,508,633.97-98,243,515.61

Finding the Fourth Proportional to 150,423,935.93, 207,508,633.97 and 98,243,515.61

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Solution

The fourth proportional to 150,423,935.93, 207,508,633.97 and 98,243,515.61 is: 135,526,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,423,935.93 : 207,508,633.97 = 98,243,515.61 : x
  2. Step 2: Convert to fraction form
    150,423,935.93/207,508,633.97 = 98,243,515.61/x
  3. Step 3: Cross multiply
    150,423,935.93x = 207,508,633.97 × 98,243,515.61
  4. Step 4: Simplify right side
    150,423,935.93x = 20,386,377,720,641,472
  5. Step 5: Solve for x
    x = 20,386,377,720,641,472/150,423,935.93
  6. Step 6: Final answer
    x = 135,526,155.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.