Home / 80,460,078.30-120,690,117.45-29,343,764.70

Finding the Fourth Proportional to 80,460,078.30, 120,690,117.45 and 29,343,764.70

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Solution

The fourth proportional to 80,460,078.30, 120,690,117.45 and 29,343,764.70 is: 44,015,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,460,078.30 : 120,690,117.45 = 29,343,764.70 : x
  2. Step 2: Convert to fraction form
    80,460,078.30/120,690,117.45 = 29,343,764.70/x
  3. Step 3: Cross multiply
    80,460,078.30x = 120,690,117.45 × 29,343,764.70
  4. Step 4: Simplify right side
    80,460,078.30x = 3,541,502,408,068,164
  5. Step 5: Solve for x
    x = 3,541,502,408,068,164/80,460,078.30
  6. Step 6: Final answer
    x = 44,015,647.05

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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.