Home / 270,652,719.56-406,149,860.61-115,206,279.30

Finding the Fourth Proportional to 270,652,719.56, 406,149,860.61 and 115,206,279.30

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Solution

The fourth proportional to 270,652,719.56, 406,149,860.61 and 115,206,279.30 is: 172,882,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,652,719.56 : 406,149,860.61 = 115,206,279.30 : x
  2. Step 2: Convert to fraction form
    270,652,719.56/406,149,860.61 = 115,206,279.30/x
  3. Step 3: Cross multiply
    270,652,719.56x = 406,149,860.61 × 115,206,279.30
  4. Step 4: Simplify right side
    270,652,719.56x = 46,791,014,279,091,728
  5. Step 5: Solve for x
    x = 46,791,014,279,091,728/270,652,719.56
  6. Step 6: Final answer
    x = 172,882,113.86

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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.