Home / 75,781,417.31-113,575,481.82-36,929,143.61

Finding the Fourth Proportional to 75,781,417.31, 113,575,481.82 and 36,929,143.61

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Solution

The fourth proportional to 75,781,417.31, 113,575,481.82 and 36,929,143.61 is: 55,346,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,781,417.31 : 113,575,481.82 = 36,929,143.61 : x
  2. Step 2: Convert to fraction form
    75,781,417.31/113,575,481.82 = 36,929,143.61/x
  3. Step 3: Cross multiply
    75,781,417.31x = 113,575,481.82 × 36,929,143.61
  4. Step 4: Simplify right side
    75,781,417.31x = 4,194,245,277,953,200.50
  5. Step 5: Solve for x
    x = 4,194,245,277,953,200.50/75,781,417.31
  6. Step 6: Final answer
    x = 55,346,619.62

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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.