Home / 122,437,144.29-168,975,193.73-91,443,505.17

Finding the Fourth Proportional to 122,437,144.29, 168,975,193.73 and 91,443,505.17

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Solution

The fourth proportional to 122,437,144.29, 168,975,193.73 and 91,443,505.17 is: 126,200,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,437,144.29 : 168,975,193.73 = 91,443,505.17 : x
  2. Step 2: Convert to fraction form
    122,437,144.29/168,975,193.73 = 91,443,505.17/x
  3. Step 3: Cross multiply
    122,437,144.29x = 168,975,193.73 × 91,443,505.17
  4. Step 4: Simplify right side
    122,437,144.29x = 15,451,684,000,993,788
  5. Step 5: Solve for x
    x = 15,451,684,000,993,788/122,437,144.29
  6. Step 6: Final answer
    x = 126,200,950.62

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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.