Home / 82,034,223.70-123,042,004.35-21,456,073.30

Finding the Fourth Proportional to 82,034,223.70, 123,042,004.35 and 21,456,073.30

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Solution

The fourth proportional to 82,034,223.70, 123,042,004.35 and 21,456,073.30 is: 32,181,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,034,223.70 : 123,042,004.35 = 21,456,073.30 : x
  2. Step 2: Convert to fraction form
    82,034,223.70/123,042,004.35 = 21,456,073.30/x
  3. Step 3: Cross multiply
    82,034,223.70x = 123,042,004.35 × 21,456,073.30
  4. Step 4: Simplify right side
    82,034,223.70x = 2,639,998,264,312,519
  5. Step 5: Solve for x
    x = 2,639,998,264,312,519/82,034,223.70
  6. Step 6: Final answer
    x = 32,181,669.37

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