Home / 75,781,416.80-113,575,481.07-36,929,143.10

Finding the Fourth Proportional to 75,781,416.80, 113,575,481.07 and 36,929,143.10

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Solution

The fourth proportional to 75,781,416.80, 113,575,481.07 and 36,929,143.10 is: 55,346,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,781,416.80 : 113,575,481.07 = 36,929,143.10 : x
  2. Step 2: Convert to fraction form
    75,781,416.80/113,575,481.07 = 36,929,143.10/x
  3. Step 3: Cross multiply
    75,781,416.80x = 113,575,481.07 × 36,929,143.10
  4. Step 4: Simplify right side
    75,781,416.80x = 4,194,245,193,230,825.50
  5. Step 5: Solve for x
    x = 4,194,245,193,230,825.50/75,781,416.80
  6. Step 6: Final answer
    x = 55,346,618.87

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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.