Home / 42,109,839.30-63,164,758.95-35,945,123.70

Finding the Fourth Proportional to 42,109,839.30, 63,164,758.95 and 35,945,123.70

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Solution

The fourth proportional to 42,109,839.30, 63,164,758.95 and 35,945,123.70 is: 53,917,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,109,839.30 : 63,164,758.95 = 35,945,123.70 : x
  2. Step 2: Convert to fraction form
    42,109,839.30/63,164,758.95 = 35,945,123.70/x
  3. Step 3: Cross multiply
    42,109,839.30x = 63,164,758.95 × 35,945,123.70
  4. Step 4: Simplify right side
    42,109,839.30x = 2,270,465,073,938,432.50
  5. Step 5: Solve for x
    x = 2,270,465,073,938,432.50/42,109,839.30
  6. Step 6: Final answer
    x = 53,917,685.55

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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.