Home / 99,131,506.20-148,639,522.50-38,476,373.40

Finding the Fourth Proportional to 99,131,506.20, 148,639,522.50 and 38,476,373.40

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Solution

The fourth proportional to 99,131,506.20, 148,639,522.50 and 38,476,373.40 is: 57,692,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,131,506.20 : 148,639,522.50 = 38,476,373.40 : x
  2. Step 2: Convert to fraction form
    99,131,506.20/148,639,522.50 = 38,476,373.40/x
  3. Step 3: Cross multiply
    99,131,506.20x = 148,639,522.50 × 38,476,373.40
  4. Step 4: Simplify right side
    99,131,506.20x = 5,719,109,769,707,701
  5. Step 5: Solve for x
    x = 5,719,109,769,707,701/99,131,506.20
  6. Step 6: Final answer
    x = 57,692,150.45

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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.