Home / 110,691,005.20-166,036,507.80-84,862,972.60

Finding the Fourth Proportional to 110,691,005.20, 166,036,507.80 and 84,862,972.60

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Solution

The fourth proportional to 110,691,005.20, 166,036,507.80 and 84,862,972.60 is: 127,294,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,691,005.20 : 166,036,507.80 = 84,862,972.60 : x
  2. Step 2: Convert to fraction form
    110,691,005.20/166,036,507.80 = 84,862,972.60/x
  3. Step 3: Cross multiply
    110,691,005.20x = 166,036,507.80 × 84,862,972.60
  4. Step 4: Simplify right side
    110,691,005.20x = 14,090,351,612,031,086
  5. Step 5: Solve for x
    x = 14,090,351,612,031,086/110,691,005.20
  6. Step 6: Final answer
    x = 127,294,458.90

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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.