Home / 80,873,190.30-121,342,963.05-29,779,686.30

Finding the Fourth Proportional to 80,873,190.30, 121,342,963.05 and 29,779,686.30

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Solution

The fourth proportional to 80,873,190.30, 121,342,963.05 and 29,779,686.30 is: 44,681,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873,190.30 : 121,342,963.05 = 29,779,686.30 : x
  2. Step 2: Convert to fraction form
    80,873,190.30/121,342,963.05 = 29,779,686.30/x
  3. Step 3: Cross multiply
    80,873,190.30x = 121,342,963.05 × 29,779,686.30
  4. Step 4: Simplify right side
    80,873,190.30x = 3,613,555,374,341,491
  5. Step 5: Solve for x
    x = 3,613,555,374,341,491/80,873,190.30
  6. Step 6: Final answer
    x = 44,681,746.34

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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.