Home / 81,263,761.52-121,895,314.16-29,436,234.30

Finding the Fourth Proportional to 81,263,761.52, 121,895,314.16 and 29,436,234.30

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Solution

The fourth proportional to 81,263,761.52, 121,895,314.16 and 29,436,234.30 is: 44,154,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,263,761.52 : 121,895,314.16 = 29,436,234.30 : x
  2. Step 2: Convert to fraction form
    81,263,761.52/121,895,314.16 = 29,436,234.30/x
  3. Step 3: Cross multiply
    81,263,761.52x = 121,895,314.16 × 29,436,234.30
  4. Step 4: Simplify right side
    81,263,761.52x = 3,588,139,027,538,686.50
  5. Step 5: Solve for x
    x = 3,588,139,027,538,686.50/81,263,761.52
  6. Step 6: Final answer
    x = 44,154,232.60

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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.