Home / 81,532,712.17-112,511,769.42-44,363,145.43

Finding the Fourth Proportional to 81,532,712.17, 112,511,769.42 and 44,363,145.43

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Solution

The fourth proportional to 81,532,712.17, 112,511,769.42 and 44,363,145.43 is: 61,219,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,532,712.17 : 112,511,769.42 = 44,363,145.43 : x
  2. Step 2: Convert to fraction form
    81,532,712.17/112,511,769.42 = 44,363,145.43/x
  3. Step 3: Cross multiply
    81,532,712.17x = 112,511,769.42 × 44,363,145.43
  4. Step 4: Simplify right side
    81,532,712.17x = 4,991,375,989,366,087
  5. Step 5: Solve for x
    x = 4,991,375,989,366,087/81,532,712.17
  6. Step 6: Final answer
    x = 61,219,305.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.