Home / 80,892,000.20-121,338,000.30-29,763,439.40

Finding the Fourth Proportional to 80,892,000.20, 121,338,000.30 and 29,763,439.40

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Solution

The fourth proportional to 80,892,000.20, 121,338,000.30 and 29,763,439.40 is: 44,645,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,892,000.20 : 121,338,000.30 = 29,763,439.40 : x
  2. Step 2: Convert to fraction form
    80,892,000.20/121,338,000.30 = 29,763,439.40/x
  3. Step 3: Cross multiply
    80,892,000.20x = 121,338,000.30 × 29,763,439.40
  4. Step 4: Simplify right side
    80,892,000.20x = 3,611,436,218,846,231.50
  5. Step 5: Solve for x
    x = 3,611,436,218,846,231.50/80,892,000.20
  6. Step 6: Final answer
    x = 44,645,159.10

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1.5x scale

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.