Home / 82,517,427.60-123,776,141.40-73,908,083.40

Finding the Fourth Proportional to 82,517,427.60, 123,776,141.40 and 73,908,083.40

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Solution

The fourth proportional to 82,517,427.60, 123,776,141.40 and 73,908,083.40 is: 110,862,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517,427.60 : 123,776,141.40 = 73,908,083.40 : x
  2. Step 2: Convert to fraction form
    82,517,427.60/123,776,141.40 = 73,908,083.40/x
  3. Step 3: Cross multiply
    82,517,427.60x = 123,776,141.40 × 73,908,083.40
  4. Step 4: Simplify right side
    82,517,427.60x = 9,148,057,381,521,394
  5. Step 5: Solve for x
    x = 9,148,057,381,521,394/82,517,427.60
  6. Step 6: Final answer
    x = 110,862,125.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.