Home / 54,458,082.10-81,687,123.15-19,914,417.10

Finding the Fourth Proportional to 54,458,082.10, 81,687,123.15 and 19,914,417.10

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Solution

The fourth proportional to 54,458,082.10, 81,687,123.15 and 19,914,417.10 is: 29,871,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458,082.10 : 81,687,123.15 = 19,914,417.10 : x
  2. Step 2: Convert to fraction form
    54,458,082.10/81,687,123.15 = 19,914,417.10/x
  3. Step 3: Cross multiply
    54,458,082.10x = 81,687,123.15 × 19,914,417.10
  4. Step 4: Simplify right side
    54,458,082.10x = 1,626,751,442,108,166
  5. Step 5: Solve for x
    x = 1,626,751,442,108,166/54,458,082.10
  6. Step 6: Final answer
    x = 29,871,625.65

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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.