Home / 135,780,086.44-187,376,508.90-73,900,868.68

Finding the Fourth Proportional to 135,780,086.44, 187,376,508.90 and 73,900,868.68

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Solution

The fourth proportional to 135,780,086.44, 187,376,508.90 and 73,900,868.68 is: 101,983,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,780,086.44 : 187,376,508.90 = 73,900,868.68 : x
  2. Step 2: Convert to fraction form
    135,780,086.44/187,376,508.90 = 73,900,868.68/x
  3. Step 3: Cross multiply
    135,780,086.44x = 187,376,508.90 × 73,900,868.68
  4. Step 4: Simplify right side
    135,780,086.44x = 13,847,286,777,935,754
  5. Step 5: Solve for x
    x = 13,847,286,777,935,754/135,780,086.44
  6. Step 6: Final answer
    x = 101,983,193.12

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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.