Home / 81,532,711.17-112,511,768.04-44,363,144.43

Finding the Fourth Proportional to 81,532,711.17, 112,511,768.04 and 44,363,144.43

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Solution

The fourth proportional to 81,532,711.17, 112,511,768.04 and 44,363,144.43 is: 61,219,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,532,711.17 : 112,511,768.04 = 44,363,144.43 : x
  2. Step 2: Convert to fraction form
    81,532,711.17/112,511,768.04 = 44,363,144.43/x
  3. Step 3: Cross multiply
    81,532,711.17x = 112,511,768.04 × 44,363,144.43
  4. Step 4: Simplify right side
    81,532,711.17x = 4,991,375,815,633,178
  5. Step 5: Solve for x
    x = 4,991,375,815,633,178/81,532,711.17
  6. Step 6: Final answer
    x = 61,219,303.81

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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.