Home / 81,773,670.30-122,660,505.45-55,945,637.70

Finding the Fourth Proportional to 81,773,670.30, 122,660,505.45 and 55,945,637.70

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Solution

The fourth proportional to 81,773,670.30, 122,660,505.45 and 55,945,637.70 is: 83,918,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,773,670.30 : 122,660,505.45 = 55,945,637.70 : x
  2. Step 2: Convert to fraction form
    81,773,670.30/122,660,505.45 = 55,945,637.70/x
  3. Step 3: Cross multiply
    81,773,670.30x = 122,660,505.45 × 55,945,637.70
  4. Step 4: Simplify right side
    81,773,670.30x = 6,862,320,198,004,576
  5. Step 5: Solve for x
    x = 6,862,320,198,004,576/81,773,670.30
  6. Step 6: Final answer
    x = 83,918,456.55

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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.