Home / 68,972,348.64-95,179,668.12-38,033,821.92

Finding the Fourth Proportional to 68,972,348.64, 95,179,668.12 and 38,033,821.92

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Solution

The fourth proportional to 68,972,348.64, 95,179,668.12 and 38,033,821.92 is: 52,485,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,972,348.64 : 95,179,668.12 = 38,033,821.92 : x
  2. Step 2: Convert to fraction form
    68,972,348.64/95,179,668.12 = 38,033,821.92/x
  3. Step 3: Cross multiply
    68,972,348.64x = 95,179,668.12 × 38,033,821.92
  4. Step 4: Simplify right side
    68,972,348.64x = 3,620,046,547,680,781.50
  5. Step 5: Solve for x
    x = 3,620,046,547,680,781.50/68,972,348.64
  6. Step 6: Final answer
    x = 52,485,475.98

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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.