Home / 103,505,944.87-155,242,463.77-34,413,001.57

Finding the Fourth Proportional to 103,505,944.87, 155,242,463.77 and 34,413,001.57

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Solution

The fourth proportional to 103,505,944.87, 155,242,463.77 and 34,413,001.57 is: 51,614,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,505,944.87 : 155,242,463.77 = 34,413,001.57 : x
  2. Step 2: Convert to fraction form
    103,505,944.87/155,242,463.77 = 34,413,001.57/x
  3. Step 3: Cross multiply
    103,505,944.87x = 155,242,463.77 × 34,413,001.57
  4. Step 4: Simplify right side
    103,505,944.87x = 5,342,359,149,059,573
  5. Step 5: Solve for x
    x = 5,342,359,149,059,573/103,505,944.87
  6. Step 6: Final answer
    x = 51,614,031.99

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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.