Home / 80,459,994.30-120,689,991.45-29,343,680.70

Finding the Fourth Proportional to 80,459,994.30, 120,689,991.45 and 29,343,680.70

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Solution

The fourth proportional to 80,459,994.30, 120,689,991.45 and 29,343,680.70 is: 44,015,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,459,994.30 : 120,689,991.45 = 29,343,680.70 : x
  2. Step 2: Convert to fraction form
    80,459,994.30/120,689,991.45 = 29,343,680.70/x
  3. Step 3: Cross multiply
    80,459,994.30x = 120,689,991.45 × 29,343,680.70
  4. Step 4: Simplify right side
    80,459,994.30x = 3,541,488,572,794,530
  5. Step 5: Solve for x
    x = 3,541,488,572,794,530/80,459,994.30
  6. Step 6: Final answer
    x = 44,015,521.05

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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.