Home / 150,414,086.57-207,521,821.65-90,853,127.64

Finding the Fourth Proportional to 150,414,086.57, 207,521,821.65 and 90,853,127.64

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Solution

The fourth proportional to 150,414,086.57, 207,521,821.65 and 90,853,127.64 is: 125,347,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,414,086.57 : 207,521,821.65 = 90,853,127.64 : x
  2. Step 2: Convert to fraction form
    150,414,086.57/207,521,821.65 = 90,853,127.64/x
  3. Step 3: Cross multiply
    150,414,086.57x = 207,521,821.65 × 90,853,127.64
  4. Step 4: Simplify right side
    150,414,086.57x = 18,854,006,550,452,768
  5. Step 5: Solve for x
    x = 18,854,006,550,452,768/150,414,086.57
  6. Step 6: Final answer
    x = 125,347,345.99

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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.