Home / 115,286,998.56-159,080,345.33-68,867,398.68

Finding the Fourth Proportional to 115,286,998.56, 159,080,345.33 and 68,867,398.68

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Solution

The fourth proportional to 115,286,998.56, 159,080,345.33 and 68,867,398.68 is: 95,027,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,286,998.56 : 159,080,345.33 = 68,867,398.68 : x
  2. Step 2: Convert to fraction form
    115,286,998.56/159,080,345.33 = 68,867,398.68/x
  3. Step 3: Cross multiply
    115,286,998.56x = 159,080,345.33 × 68,867,398.68
  4. Step 4: Simplify right side
    115,286,998.56x = 10,955,449,563,648,850
  5. Step 5: Solve for x
    x = 10,955,449,563,648,850/115,286,998.56
  6. Step 6: Final answer
    x = 95,027,624.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.