Home / 42,503,138.40-63,801,946.80-23,371,262.40

Finding the Fourth Proportional to 42,503,138.40, 63,801,946.80 and 23,371,262.40

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Solution

The fourth proportional to 42,503,138.40, 63,801,946.80 and 23,371,262.40 is: 35,082,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,503,138.40 : 63,801,946.80 = 23,371,262.40 : x
  2. Step 2: Convert to fraction form
    42,503,138.40/63,801,946.80 = 23,371,262.40/x
  3. Step 3: Cross multiply
    42,503,138.40x = 63,801,946.80 × 23,371,262.40
  4. Step 4: Simplify right side
    42,503,138.40x = 1,491,132,040,293,640.25
  5. Step 5: Solve for x
    x = 1,491,132,040,293,640.25/42,503,138.40
  6. Step 6: Final answer
    x = 35,082,869.09

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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.