Home / 99,131,506.70-148,639,523.25-38,476,373.90

Finding the Fourth Proportional to 99,131,506.70, 148,639,523.25 and 38,476,373.90

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Solution

The fourth proportional to 99,131,506.70, 148,639,523.25 and 38,476,373.90 is: 57,692,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,131,506.70 : 148,639,523.25 = 38,476,373.90 : x
  2. Step 2: Convert to fraction form
    99,131,506.70/148,639,523.25 = 38,476,373.90/x
  3. Step 3: Cross multiply
    99,131,506.70x = 148,639,523.25 × 38,476,373.90
  4. Step 4: Simplify right side
    99,131,506.70x = 5,719,109,872,884,743
  5. Step 5: Solve for x
    x = 5,719,109,872,884,743/99,131,506.70
  6. Step 6: Final answer
    x = 57,692,151.20

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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.