Home / 77,761,481.20-116,642,221.80-29,892,425.20

Finding the Fourth Proportional to 77,761,481.20, 116,642,221.80 and 29,892,425.20

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Solution

The fourth proportional to 77,761,481.20, 116,642,221.80 and 29,892,425.20 is: 44,838,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,761,481.20 : 116,642,221.80 = 29,892,425.20 : x
  2. Step 2: Convert to fraction form
    77,761,481.20/116,642,221.80 = 29,892,425.20/x
  3. Step 3: Cross multiply
    77,761,481.20x = 116,642,221.80 × 29,892,425.20
  4. Step 4: Simplify right side
    77,761,481.20x = 3,486,718,890,318,309
  5. Step 5: Solve for x
    x = 3,486,718,890,318,309/77,761,481.20
  6. Step 6: Final answer
    x = 44,838,637.80

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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.