Home / 80,298,239.60-120,379,649.76-34,825,785.68

Finding the Fourth Proportional to 80,298,239.60, 120,379,649.76 and 34,825,785.68

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Solution

The fourth proportional to 80,298,239.60, 120,379,649.76 and 34,825,785.68 is: 52,209,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298,239.60 : 120,379,649.76 = 34,825,785.68 : x
  2. Step 2: Convert to fraction form
    80,298,239.60/120,379,649.76 = 34,825,785.68/x
  3. Step 3: Cross multiply
    80,298,239.60x = 120,379,649.76 × 34,825,785.68
  4. Step 4: Simplify right side
    80,298,239.60x = 4,192,315,882,775,223.50
  5. Step 5: Solve for x
    x = 4,192,315,882,775,223.50/80,298,239.60
  6. Step 6: Final answer
    x = 52,209,312.48

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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.