Home / 54,458,082.60-81,687,123.90-19,914,417.60

Finding the Fourth Proportional to 54,458,082.60, 81,687,123.90 and 19,914,417.60

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Solution

The fourth proportional to 54,458,082.60, 81,687,123.90 and 19,914,417.60 is: 29,871,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458,082.60 : 81,687,123.90 = 19,914,417.60 : x
  2. Step 2: Convert to fraction form
    54,458,082.60/81,687,123.90 = 19,914,417.60/x
  3. Step 3: Cross multiply
    54,458,082.60x = 81,687,123.90 × 19,914,417.60
  4. Step 4: Simplify right side
    54,458,082.60x = 1,626,751,497,887,541
  5. Step 5: Solve for x
    x = 1,626,751,497,887,541/54,458,082.60
  6. Step 6: Final answer
    x = 29,871,626.40

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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.