Home / 131,926,538.11-181,982,982.84-82,280,720.56

Finding the Fourth Proportional to 131,926,538.11, 181,982,982.84 and 82,280,720.56

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Solution

The fourth proportional to 131,926,538.11, 181,982,982.84 and 82,280,720.56 is: 113,500,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,538.11 : 181,982,982.84 = 82,280,720.56 : x
  2. Step 2: Convert to fraction form
    131,926,538.11/181,982,982.84 = 82,280,720.56/x
  3. Step 3: Cross multiply
    131,926,538.11x = 181,982,982.84 × 82,280,720.56
  4. Step 4: Simplify right side
    131,926,538.11x = 14,973,690,956,969,806
  5. Step 5: Solve for x
    x = 14,973,690,956,969,806/131,926,538.11
  6. Step 6: Final answer
    x = 113,500,218.92

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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.