Home / 111,204,003.40-166,806,005.10-91,930,409.80

Finding the Fourth Proportional to 111,204,003.40, 166,806,005.10 and 91,930,409.80

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Solution

The fourth proportional to 111,204,003.40, 166,806,005.10 and 91,930,409.80 is: 137,895,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,204,003.40 : 166,806,005.10 = 91,930,409.80 : x
  2. Step 2: Convert to fraction form
    111,204,003.40/166,806,005.10 = 91,930,409.80/x
  3. Step 3: Cross multiply
    111,204,003.40x = 166,806,005.10 × 91,930,409.80
  4. Step 4: Simplify right side
    111,204,003.40x = 15,334,544,405,943,888
  5. Step 5: Solve for x
    x = 15,334,544,405,943,888/111,204,003.40
  6. Step 6: Final answer
    x = 137,895,614.70

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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.