Home / 80,873,215.80-121,343,001.30-29,779,711.80

Finding the Fourth Proportional to 80,873,215.80, 121,343,001.30 and 29,779,711.80

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Solution

The fourth proportional to 80,873,215.80, 121,343,001.30 and 29,779,711.80 is: 44,681,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873,215.80 : 121,343,001.30 = 29,779,711.80 : x
  2. Step 2: Convert to fraction form
    80,873,215.80/121,343,001.30 = 29,779,711.80/x
  3. Step 3: Cross multiply
    80,873,215.80x = 121,343,001.30 × 29,779,711.80
  4. Step 4: Simplify right side
    80,873,215.80x = 3,613,559,607,661,025.50
  5. Step 5: Solve for x
    x = 3,613,559,607,661,025.50/80,873,215.80
  6. Step 6: Final answer
    x = 44,681,784.59

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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.