Home / 60,542,728.10-90,814,092.15-42,367,445.90

Finding the Fourth Proportional to 60,542,728.10, 90,814,092.15 and 42,367,445.90

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Solution

The fourth proportional to 60,542,728.10, 90,814,092.15 and 42,367,445.90 is: 63,551,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,542,728.10 : 90,814,092.15 = 42,367,445.90 : x
  2. Step 2: Convert to fraction form
    60,542,728.10/90,814,092.15 = 42,367,445.90/x
  3. Step 3: Cross multiply
    60,542,728.10x = 90,814,092.15 × 42,367,445.90
  4. Step 4: Simplify right side
    60,542,728.10x = 3,847,561,136,122,740
  5. Step 5: Solve for x
    x = 3,847,561,136,122,740/60,542,728.10
  6. Step 6: Final answer
    x = 63,551,168.85

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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.