Home / 80,460,043.80-120,690,065.70-29,343,730.20

Finding the Fourth Proportional to 80,460,043.80, 120,690,065.70 and 29,343,730.20

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Solution

The fourth proportional to 80,460,043.80, 120,690,065.70 and 29,343,730.20 is: 44,015,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,460,043.80 : 120,690,065.70 = 29,343,730.20 : x
  2. Step 2: Convert to fraction form
    80,460,043.80/120,690,065.70 = 29,343,730.20/x
  3. Step 3: Cross multiply
    80,460,043.80x = 120,690,065.70 × 29,343,730.20
  4. Step 4: Simplify right side
    80,460,043.80x = 3,541,496,725,721,074
  5. Step 5: Solve for x
    x = 3,541,496,725,721,074/80,460,043.80
  6. Step 6: Final answer
    x = 44,015,595.30

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Double scale
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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.