Home / 220,176,301.90-330,180,472.05-66,771,373.90

Finding the Fourth Proportional to 220,176,301.90, 330,180,472.05 and 66,771,373.90

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Solution

The fourth proportional to 220,176,301.90, 330,180,472.05 and 66,771,373.90 is: 100,131,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,176,301.90 : 330,180,472.05 = 66,771,373.90 : x
  2. Step 2: Convert to fraction form
    220,176,301.90/330,180,472.05 = 66,771,373.90/x
  3. Step 3: Cross multiply
    220,176,301.90x = 330,180,472.05 × 66,771,373.90
  4. Step 4: Simplify right side
    220,176,301.90x = 22,046,603,753,729,048
  5. Step 5: Solve for x
    x = 22,046,603,753,729,048/220,176,301.90
  6. Step 6: Final answer
    x = 100,131,592.56

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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.