Home / 139,554,121.52-192,581,167.82-76,829,593.30

Finding the Fourth Proportional to 139,554,121.52, 192,581,167.82 and 76,829,593.30

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Solution

The fourth proportional to 139,554,121.52, 192,581,167.82 and 76,829,593.30 is: 106,022,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,554,121.52 : 192,581,167.82 = 76,829,593.30 : x
  2. Step 2: Convert to fraction form
    139,554,121.52/192,581,167.82 = 76,829,593.30/x
  3. Step 3: Cross multiply
    139,554,121.52x = 192,581,167.82 × 76,829,593.30
  4. Step 4: Simplify right side
    139,554,121.52x = 14,795,932,799,984,046
  5. Step 5: Solve for x
    x = 14,795,932,799,984,046/139,554,121.52
  6. Step 6: Final answer
    x = 106,022,900.93

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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.