Home / 71,765,375.92-99,165,766.08-51,102,949.84

Finding the Fourth Proportional to 71,765,375.92, 99,165,766.08 and 51,102,949.84

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Solution

The fourth proportional to 71,765,375.92, 99,165,766.08 and 51,102,949.84 is: 70,614,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,765,375.92 : 99,165,766.08 = 51,102,949.84 : x
  2. Step 2: Convert to fraction form
    71,765,375.92/99,165,766.08 = 51,102,949.84/x
  3. Step 3: Cross multiply
    71,765,375.92x = 99,165,766.08 × 51,102,949.84
  4. Step 4: Simplify right side
    71,765,375.92x = 5,067,663,169,831,414
  5. Step 5: Solve for x
    x = 5,067,663,169,831,414/71,765,375.92
  6. Step 6: Final answer
    x = 70,614,319.30

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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.