Home / 42,630,400.80-63,945,601.20-29,865,319.20

Finding the Fourth Proportional to 42,630,400.80, 63,945,601.20 and 29,865,319.20

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Solution

The fourth proportional to 42,630,400.80, 63,945,601.20 and 29,865,319.20 is: 44,797,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,630,400.80 : 63,945,601.20 = 29,865,319.20 : x
  2. Step 2: Convert to fraction form
    42,630,400.80/63,945,601.20 = 29,865,319.20/x
  3. Step 3: Cross multiply
    42,630,400.80x = 63,945,601.20 × 29,865,319.20
  4. Step 4: Simplify right side
    42,630,400.80x = 1,909,755,791,273,903
  5. Step 5: Solve for x
    x = 1,909,755,791,273,903/42,630,400.80
  6. Step 6: Final answer
    x = 44,797,978.80

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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.