Home / 132,883,016.20-198,946,610.70-102,397,985.80

Finding the Fourth Proportional to 132,883,016.20, 198,946,610.70 and 102,397,985.80

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Solution

The fourth proportional to 132,883,016.20, 198,946,610.70 and 102,397,985.80 is: 153,305,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,883,016.20 : 198,946,610.70 = 102,397,985.80 : x
  2. Step 2: Convert to fraction form
    132,883,016.20/198,946,610.70 = 102,397,985.80/x
  3. Step 3: Cross multiply
    132,883,016.20x = 198,946,610.70 × 102,397,985.80
  4. Step 4: Simplify right side
    132,883,016.20x = 20,371,732,217,416,728
  5. Step 5: Solve for x
    x = 20,371,732,217,416,728/132,883,016.20
  6. Step 6: Final answer
    x = 153,305,763.22

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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.