Home / 111,456,610.80-166,854,241.80-82,829,655.60

Finding the Fourth Proportional to 111,456,610.80, 166,854,241.80 and 82,829,655.60

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Solution

The fourth proportional to 111,456,610.80, 166,854,241.80 and 82,829,655.60 is: 123,998,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,610.80 : 166,854,241.80 = 82,829,655.60 : x
  2. Step 2: Convert to fraction form
    111,456,610.80/166,854,241.80 = 82,829,655.60/x
  3. Step 3: Cross multiply
    111,456,610.80x = 166,854,241.80 × 82,829,655.60
  4. Step 4: Simplify right side
    111,456,610.80x = 13,820,479,383,693,124
  5. Step 5: Solve for x
    x = 13,820,479,383,693,124/111,456,610.80
  6. Step 6: Final answer
    x = 123,998,740.72

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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.