Home / 61,070,775.85-91,619,449.80-20,123,246.80

Finding the Fourth Proportional to 61,070,775.85, 91,619,449.80 and 20,123,246.80

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Solution

The fourth proportional to 61,070,775.85, 91,619,449.80 and 20,123,246.80 is: 30,189,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,070,775.85 : 91,619,449.80 = 20,123,246.80 : x
  2. Step 2: Convert to fraction form
    61,070,775.85/91,619,449.80 = 20,123,246.80/x
  3. Step 3: Cross multiply
    61,070,775.85x = 91,619,449.80 × 20,123,246.80
  4. Step 4: Simplify right side
    61,070,775.85x = 1,843,680,800,005,610.75
  5. Step 5: Solve for x
    x = 1,843,680,800,005,610.75/61,070,775.85
  6. Step 6: Final answer
    x = 30,189,248.04

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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.