Home / 82,211,233.31-113,466,119.92-49,175,116.96

Finding the Fourth Proportional to 82,211,233.31, 113,466,119.92 and 49,175,116.96

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Solution

The fourth proportional to 82,211,233.31, 113,466,119.92 and 49,175,116.96 is: 67,870,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,211,233.31 : 113,466,119.92 = 49,175,116.96 : x
  2. Step 2: Convert to fraction form
    82,211,233.31/113,466,119.92 = 49,175,116.96/x
  3. Step 3: Cross multiply
    82,211,233.31x = 113,466,119.92 × 49,175,116.96
  4. Step 4: Simplify right side
    82,211,233.31x = 5,579,709,717,800,687
  5. Step 5: Solve for x
    x = 5,579,709,717,800,687/82,211,233.31
  6. Step 6: Final answer
    x = 67,870,405.21

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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.