Home / 102,500,514.60-154,086,695.10-72,416,725.80

Finding the Fourth Proportional to 102,500,514.60, 154,086,695.10 and 72,416,725.80

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Solution

The fourth proportional to 102,500,514.60, 154,086,695.10 and 72,416,725.80 is: 108,862,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,500,514.60 : 154,086,695.10 = 72,416,725.80 : x
  2. Step 2: Convert to fraction form
    102,500,514.60/154,086,695.10 = 72,416,725.80/x
  3. Step 3: Cross multiply
    102,500,514.60x = 154,086,695.10 × 72,416,725.80
  4. Step 4: Simplify right side
    102,500,514.60x = 11,158,453,948,484,902
  5. Step 5: Solve for x
    x = 11,158,453,948,484,902/102,500,514.60
  6. Step 6: Final answer
    x = 108,862,418.81

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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.