Home / 80,460,031.20-120,690,046.80-57,953,176.80

Finding the Fourth Proportional to 80,460,031.20, 120,690,046.80 and 57,953,176.80

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Solution

The fourth proportional to 80,460,031.20, 120,690,046.80 and 57,953,176.80 is: 86,929,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,460,031.20 : 120,690,046.80 = 57,953,176.80 : x
  2. Step 2: Convert to fraction form
    80,460,031.20/120,690,046.80 = 57,953,176.80/x
  3. Step 3: Cross multiply
    80,460,031.20x = 120,690,046.80 × 57,953,176.80
  4. Step 4: Simplify right side
    80,460,031.20x = 6,994,371,620,200,674
  5. Step 5: Solve for x
    x = 6,994,371,620,200,674/80,460,031.20
  6. Step 6: Final answer
    x = 86,929,765.20

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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.