Home / 80,744,600.40-121,144,894.20-35,338,981.20

Finding the Fourth Proportional to 80,744,600.40, 121,144,894.20 and 35,338,981.20

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Solution

The fourth proportional to 80,744,600.40, 121,144,894.20 and 35,338,981.20 is: 53,020,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,744,600.40 : 121,144,894.20 = 35,338,981.20 : x
  2. Step 2: Convert to fraction form
    80,744,600.40/121,144,894.20 = 35,338,981.20/x
  3. Step 3: Cross multiply
    80,744,600.40x = 121,144,894.20 × 35,338,981.20
  4. Step 4: Simplify right side
    80,744,600.40x = 4,281,137,138,609,789.50
  5. Step 5: Solve for x
    x = 4,281,137,138,609,789.50/80,744,600.40
  6. Step 6: Final answer
    x = 53,020,723.58

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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.