Home / 135,760,288.82-203,642,301.69-38,716,006.86

Finding the Fourth Proportional to 135,760,288.82, 203,642,301.69 and 38,716,006.86

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Solution

The fourth proportional to 135,760,288.82, 203,642,301.69 and 38,716,006.86 is: 58,074,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,760,288.82 : 203,642,301.69 = 38,716,006.86 : x
  2. Step 2: Convert to fraction form
    135,760,288.82/203,642,301.69 = 38,716,006.86/x
  3. Step 3: Cross multiply
    135,760,288.82x = 203,642,301.69 × 38,716,006.86
  4. Step 4: Simplify right side
    135,760,288.82x = 7,884,216,749,216,229
  5. Step 5: Solve for x
    x = 7,884,216,749,216,229/135,760,288.82
  6. Step 6: Final answer
    x = 58,074,543.14

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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.