Home / 42,532,491.60-63,657,019.80-39,131,269.20

Finding the Fourth Proportional to 42,532,491.60, 63,657,019.80 and 39,131,269.20

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Solution

The fourth proportional to 42,532,491.60, 63,657,019.80 and 39,131,269.20 is: 58,566,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,532,491.60 : 63,657,019.80 = 39,131,269.20 : x
  2. Step 2: Convert to fraction form
    42,532,491.60/63,657,019.80 = 39,131,269.20/x
  3. Step 3: Cross multiply
    42,532,491.60x = 63,657,019.80 × 39,131,269.20
  4. Step 4: Simplify right side
    42,532,491.60x = 2,490,979,978,263,530
  5. Step 5: Solve for x
    x = 2,490,979,978,263,530/42,532,491.60
  6. Step 6: Final answer
    x = 58,566,519.02

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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.