Home / 72,481,350.12-108,721,994.94-26,426,668.20

Finding the Fourth Proportional to 72,481,350.12, 108,721,994.94 and 26,426,668.20

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Solution

The fourth proportional to 72,481,350.12, 108,721,994.94 and 26,426,668.20 is: 39,639,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,481,350.12 : 108,721,994.94 = 26,426,668.20 : x
  2. Step 2: Convert to fraction form
    72,481,350.12/108,721,994.94 = 26,426,668.20/x
  3. Step 3: Cross multiply
    72,481,350.12x = 108,721,994.94 × 26,426,668.20
  4. Step 4: Simplify right side
    72,481,350.12x = 2,873,160,086,321,459
  5. Step 5: Solve for x
    x = 2,873,160,086,321,459/72,481,350.12
  6. Step 6: Final answer
    x = 39,639,991.27

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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.