Home / 82,073,370-123,143,967.96-35,991,394.32

Finding the Fourth Proportional to 82,073,370, 123,143,967.96 and 35,991,394.32

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Solution

The fourth proportional to 82,073,370, 123,143,967.96 and 35,991,394.32 is: 54,001,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,073,370 : 123,143,967.96 = 35,991,394.32 : x
  2. Step 2: Convert to fraction form
    82,073,370/123,143,967.96 = 35,991,394.32/x
  3. Step 3: Cross multiply
    82,073,370x = 123,143,967.96 × 35,991,394.32
  4. Step 4: Simplify right side
    82,073,370x = 4,432,123,108,977,806
  5. Step 5: Solve for x
    x = 4,432,123,108,977,806/82,073,370
  6. Step 6: Final answer
    x = 54,001,963.23

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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.