Home / 217,680,317.76-300,398,842.17-119,895,173.76

Finding the Fourth Proportional to 217,680,317.76, 300,398,842.17 and 119,895,173.76

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Solution

The fourth proportional to 217,680,317.76, 300,398,842.17 and 119,895,173.76 is: 165,455,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,680,317.76 : 300,398,842.17 = 119,895,173.76 : x
  2. Step 2: Convert to fraction form
    217,680,317.76/300,398,842.17 = 119,895,173.76/x
  3. Step 3: Cross multiply
    217,680,317.76x = 300,398,842.17 × 119,895,173.76
  4. Step 4: Simplify right side
    217,680,317.76x = 36,016,371,379,274,968
  5. Step 5: Solve for x
    x = 36,016,371,379,274,968/217,680,317.76
  6. Step 6: Final answer
    x = 165,455,341.81

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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.