Home / 80,142,682.20-120,214,023.30-46,130,458.20

Finding the Fourth Proportional to 80,142,682.20, 120,214,023.30 and 46,130,458.20

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Solution

The fourth proportional to 80,142,682.20, 120,214,023.30 and 46,130,458.20 is: 69,195,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,142,682.20 : 120,214,023.30 = 46,130,458.20 : x
  2. Step 2: Convert to fraction form
    80,142,682.20/120,214,023.30 = 46,130,458.20/x
  3. Step 3: Cross multiply
    80,142,682.20x = 120,214,023.30 × 46,130,458.20
  4. Step 4: Simplify right side
    80,142,682.20x = 5,545,527,976,894,476
  5. Step 5: Solve for x
    x = 5,545,527,976,894,476/80,142,682.20
  6. Step 6: Final answer
    x = 69,195,687.30

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Similar ratio
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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.