Home / 54,435,687.60-81,653,531.40-40,998,759.60

Finding the Fourth Proportional to 54,435,687.60, 81,653,531.40 and 40,998,759.60

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Solution

The fourth proportional to 54,435,687.60, 81,653,531.40 and 40,998,759.60 is: 61,498,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,687.60 : 81,653,531.40 = 40,998,759.60 : x
  2. Step 2: Convert to fraction form
    54,435,687.60/81,653,531.40 = 40,998,759.60/x
  3. Step 3: Cross multiply
    54,435,687.60x = 81,653,531.40 × 40,998,759.60
  4. Step 4: Simplify right side
    54,435,687.60x = 3,347,693,504,359,652
  5. Step 5: Solve for x
    x = 3,347,693,504,359,652/54,435,687.60
  6. Step 6: Final answer
    x = 61,498,139.40

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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.