Home / 161,752,668.30-242,629,002.45-115,836,165.90

Finding the Fourth Proportional to 161,752,668.30, 242,629,002.45 and 115,836,165.90

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Solution

The fourth proportional to 161,752,668.30, 242,629,002.45 and 115,836,165.90 is: 173,754,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,752,668.30 : 242,629,002.45 = 115,836,165.90 : x
  2. Step 2: Convert to fraction form
    161,752,668.30/242,629,002.45 = 115,836,165.90/x
  3. Step 3: Cross multiply
    161,752,668.30x = 242,629,002.45 × 115,836,165.90
  4. Step 4: Simplify right side
    161,752,668.30x = 28,105,213,379,949,708
  5. Step 5: Solve for x
    x = 28,105,213,379,949,708/161,752,668.30
  6. Step 6: Final answer
    x = 173,754,248.85

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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.