Home / 80,641,154.30-120,961,731.45-44,361,448.70

Finding the Fourth Proportional to 80,641,154.30, 120,961,731.45 and 44,361,448.70

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Solution

The fourth proportional to 80,641,154.30, 120,961,731.45 and 44,361,448.70 is: 66,542,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,641,154.30 : 120,961,731.45 = 44,361,448.70 : x
  2. Step 2: Convert to fraction form
    80,641,154.30/120,961,731.45 = 44,361,448.70/x
  3. Step 3: Cross multiply
    80,641,154.30x = 120,961,731.45 × 44,361,448.70
  4. Step 4: Simplify right side
    80,641,154.30x = 5,366,037,644,382,352
  5. Step 5: Solve for x
    x = 5,366,037,644,382,352/80,641,154.30
  6. Step 6: Final answer
    x = 66,542,173.05

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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.