Home / 42,121,490.20-63,188,140.20-16,556,553.70

Finding the Fourth Proportional to 42,121,490.20, 63,188,140.20 and 16,556,553.70

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Solution

The fourth proportional to 42,121,490.20, 63,188,140.20 and 16,556,553.70 is: 24,837,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121,490.20 : 63,188,140.20 = 16,556,553.70 : x
  2. Step 2: Convert to fraction form
    42,121,490.20/63,188,140.20 = 16,556,553.70/x
  3. Step 3: Cross multiply
    42,121,490.20x = 63,188,140.20 × 16,556,553.70
  4. Step 4: Simplify right side
    42,121,490.20x = 1,046,177,836,424,428.75
  5. Step 5: Solve for x
    x = 1,046,177,836,424,428.75/42,121,490.20
  6. Step 6: Final answer
    x = 24,837,151.57

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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.