Home / 111,204,375.40-166,806,563.10-91,930,781.80

Finding the Fourth Proportional to 111,204,375.40, 166,806,563.10 and 91,930,781.80

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Solution

The fourth proportional to 111,204,375.40, 166,806,563.10 and 91,930,781.80 is: 137,896,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204,375.40 : 166,806,563.10 = 91,930,781.80 : x
  2. Step 2: Convert to fraction form
    111,204,375.40/166,806,563.10 = 91,930,781.80/x
  3. Step 3: Cross multiply
    111,204,375.40x = 166,806,563.10 × 91,930,781.80
  4. Step 4: Simplify right side
    111,204,375.40x = 15,334,657,755,154,030
  5. Step 5: Solve for x
    x = 15,334,657,755,154,030/111,204,375.40
  6. Step 6: Final answer
    x = 137,896,172.70

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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.