Home / 74,861,695.20-112,284,248.40-61,375,000.80

Finding the Fourth Proportional to 74,861,695.20, 112,284,248.40 and 61,375,000.80

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Solution

The fourth proportional to 74,861,695.20, 112,284,248.40 and 61,375,000.80 is: 92,055,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861,695.20 : 112,284,248.40 = 61,375,000.80 : x
  2. Step 2: Convert to fraction form
    74,861,695.20/112,284,248.40 = 61,375,000.80/x
  3. Step 3: Cross multiply
    74,861,695.20x = 112,284,248.40 × 61,375,000.80
  4. Step 4: Simplify right side
    74,861,695.20x = 6,891,445,835,377,399
  5. Step 5: Solve for x
    x = 6,891,445,835,377,399/74,861,695.20
  6. Step 6: Final answer
    x = 92,055,701.08

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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.