Home / 60,679,890.20-91,019,835.30-40,272,555.80

Finding the Fourth Proportional to 60,679,890.20, 91,019,835.30 and 40,272,555.80

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Solution

The fourth proportional to 60,679,890.20, 91,019,835.30 and 40,272,555.80 is: 60,408,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,679,890.20 : 91,019,835.30 = 40,272,555.80 : x
  2. Step 2: Convert to fraction form
    60,679,890.20/91,019,835.30 = 40,272,555.80/x
  3. Step 3: Cross multiply
    60,679,890.20x = 91,019,835.30 × 40,272,555.80
  4. Step 4: Simplify right side
    60,679,890.20x = 3,665,601,396,026,059.50
  5. Step 5: Solve for x
    x = 3,665,601,396,026,059.50/60,679,890.20
  6. Step 6: Final answer
    x = 60,408,833.70

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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.