Home / 111,218,128.20-166,827,192.30-103,659,856.20

Finding the Fourth Proportional to 111,218,128.20, 166,827,192.30 and 103,659,856.20

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Solution

The fourth proportional to 111,218,128.20, 166,827,192.30 and 103,659,856.20 is: 155,489,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218,128.20 : 166,827,192.30 = 103,659,856.20 : x
  2. Step 2: Convert to fraction form
    111,218,128.20/166,827,192.30 = 103,659,856.20/x
  3. Step 3: Cross multiply
    111,218,128.20x = 166,827,192.30 × 103,659,856.20
  4. Step 4: Simplify right side
    111,218,128.20x = 17,293,282,764,067,748
  5. Step 5: Solve for x
    x = 17,293,282,764,067,748/111,218,128.20
  6. Step 6: Final answer
    x = 155,489,784.30

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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.