Home / 59,761,819.80-89,642,729.70-54,659,986.20

Finding the Fourth Proportional to 59,761,819.80, 89,642,729.70 and 54,659,986.20

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Solution

The fourth proportional to 59,761,819.80, 89,642,729.70 and 54,659,986.20 is: 81,989,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,761,819.80 : 89,642,729.70 = 54,659,986.20 : x
  2. Step 2: Convert to fraction form
    59,761,819.80/89,642,729.70 = 54,659,986.20/x
  3. Step 3: Cross multiply
    59,761,819.80x = 89,642,729.70 × 54,659,986.20
  4. Step 4: Simplify right side
    59,761,819.80x = 4,899,870,368,332,331
  5. Step 5: Solve for x
    x = 4,899,870,368,332,331/59,761,819.80
  6. Step 6: Final answer
    x = 81,989,979.30

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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.