Home / 42,285,280.20-63,427,920.30-37,414,393.80

Finding the Fourth Proportional to 42,285,280.20, 63,427,920.30 and 37,414,393.80

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Solution

The fourth proportional to 42,285,280.20, 63,427,920.30 and 37,414,393.80 is: 56,121,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285,280.20 : 63,427,920.30 = 37,414,393.80 : x
  2. Step 2: Convert to fraction form
    42,285,280.20/63,427,920.30 = 37,414,393.80/x
  3. Step 3: Cross multiply
    42,285,280.20x = 63,427,920.30 × 37,414,393.80
  4. Step 4: Simplify right side
    42,285,280.20x = 2,373,117,188,019,214
  5. Step 5: Solve for x
    x = 2,373,117,188,019,214/42,285,280.20
  6. Step 6: Final answer
    x = 56,121,590.70

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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.