Home / 47,931,750.30-71,897,625.45-28,752,635.10

Finding the Fourth Proportional to 47,931,750.30, 71,897,625.45 and 28,752,635.10

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Solution

The fourth proportional to 47,931,750.30, 71,897,625.45 and 28,752,635.10 is: 43,128,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931,750.30 : 71,897,625.45 = 28,752,635.10 : x
  2. Step 2: Convert to fraction form
    47,931,750.30/71,897,625.45 = 28,752,635.10/x
  3. Step 3: Cross multiply
    47,931,750.30x = 71,897,625.45 × 28,752,635.10
  4. Step 4: Simplify right side
    47,931,750.30x = 2,067,246,189,120,323.50
  5. Step 5: Solve for x
    x = 2,067,246,189,120,323.50/47,931,750.30
  6. Step 6: Final answer
    x = 43,128,952.65

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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.