Home / 54,669,658.40-82,016,929.20-31,938,855.20

Finding the Fourth Proportional to 54,669,658.40, 82,016,929.20 and 31,938,855.20

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Solution

The fourth proportional to 54,669,658.40, 82,016,929.20 and 31,938,855.20 is: 47,915,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669,658.40 : 82,016,929.20 = 31,938,855.20 : x
  2. Step 2: Convert to fraction form
    54,669,658.40/82,016,929.20 = 31,938,855.20/x
  3. Step 3: Cross multiply
    54,669,658.40x = 82,016,929.20 × 31,938,855.20
  4. Step 4: Simplify right side
    54,669,658.40x = 2,619,526,825,667,452
  5. Step 5: Solve for x
    x = 2,619,526,825,667,452/54,669,658.40
  6. Step 6: Final answer
    x = 47,915,551.37

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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.