Home / 131,926,459.19-181,982,874-82,280,641.76

Finding the Fourth Proportional to 131,926,459.19, 181,982,874 and 82,280,641.76

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Solution

The fourth proportional to 131,926,459.19, 181,982,874 and 82,280,641.76 is: 113,500,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,459.19 : 181,982,874 = 82,280,641.76 : x
  2. Step 2: Convert to fraction form
    131,926,459.19/181,982,874 = 82,280,641.76/x
  3. Step 3: Cross multiply
    131,926,459.19x = 181,982,874 × 82,280,641.76
  4. Step 4: Simplify right side
    131,926,459.19x = 14,973,667,661,139,304
  5. Step 5: Solve for x
    x = 14,973,667,661,139,304/131,926,459.19
  6. Step 6: Final answer
    x = 113,500,110.24

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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.