Home / 132,290,971.20-198,436,456.80-95,727,830.40

Finding the Fourth Proportional to 132,290,971.20, 198,436,456.80 and 95,727,830.40

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Solution

The fourth proportional to 132,290,971.20, 198,436,456.80 and 95,727,830.40 is: 143,591,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290,971.20 : 198,436,456.80 = 95,727,830.40 : x
  2. Step 2: Convert to fraction form
    132,290,971.20/198,436,456.80 = 95,727,830.40/x
  3. Step 3: Cross multiply
    132,290,971.20x = 198,436,456.80 × 95,727,830.40
  4. Step 4: Simplify right side
    132,290,971.20x = 18,995,891,481,727,328
  5. Step 5: Solve for x
    x = 18,995,891,481,727,328/132,290,971.20
  6. Step 6: Final answer
    x = 143,591,745.60

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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.