Home / 132,220,850.40-198,331,275.60-45,930,578.40

Finding the Fourth Proportional to 132,220,850.40, 198,331,275.60 and 45,930,578.40

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Solution

The fourth proportional to 132,220,850.40, 198,331,275.60 and 45,930,578.40 is: 68,895,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,220,850.40 : 198,331,275.60 = 45,930,578.40 : x
  2. Step 2: Convert to fraction form
    132,220,850.40/198,331,275.60 = 45,930,578.40/x
  3. Step 3: Cross multiply
    132,220,850.40x = 198,331,275.60 × 45,930,578.40
  4. Step 4: Simplify right side
    132,220,850.40x = 9,109,470,203,117,806
  5. Step 5: Solve for x
    x = 9,109,470,203,117,806/132,220,850.40
  6. Step 6: Final answer
    x = 68,895,867.60

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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.