Home / 80,863,261.20-121,336,882.20-35,429,648.40

Finding the Fourth Proportional to 80,863,261.20, 121,336,882.20 and 35,429,648.40

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Solution

The fourth proportional to 80,863,261.20, 121,336,882.20 and 35,429,648.40 is: 53,162,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863,261.20 : 121,336,882.20 = 35,429,648.40 : x
  2. Step 2: Convert to fraction form
    80,863,261.20/121,336,882.20 = 35,429,648.40/x
  3. Step 3: Cross multiply
    80,863,261.20x = 121,336,882.20 × 35,429,648.40
  4. Step 4: Simplify right side
    80,863,261.20x = 4,298,923,074,298,218.50
  5. Step 5: Solve for x
    x = 4,298,923,074,298,218.50/80,863,261.20
  6. Step 6: Final answer
    x = 53,162,870.39

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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.