Home / 111,204,374.40-166,806,561.60-91,930,780.80

Finding the Fourth Proportional to 111,204,374.40, 166,806,561.60 and 91,930,780.80

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Solution

The fourth proportional to 111,204,374.40, 166,806,561.60 and 91,930,780.80 is: 137,896,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204,374.40 : 166,806,561.60 = 91,930,780.80 : x
  2. Step 2: Convert to fraction form
    111,204,374.40/166,806,561.60 = 91,930,780.80/x
  3. Step 3: Cross multiply
    111,204,374.40x = 166,806,561.60 × 91,930,780.80
  4. Step 4: Simplify right side
    111,204,374.40x = 15,334,657,450,451,296
  5. Step 5: Solve for x
    x = 15,334,657,450,451,296/111,204,374.40
  6. Step 6: Final answer
    x = 137,896,171.20

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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.