Home / 217,680,310.89-300,398,832.66-119,895,166.89

Finding the Fourth Proportional to 217,680,310.89, 300,398,832.66 and 119,895,166.89

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Solution

The fourth proportional to 217,680,310.89, 300,398,832.66 and 119,895,166.89 is: 165,455,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,680,310.89 : 300,398,832.66 = 119,895,166.89 : x
  2. Step 2: Convert to fraction form
    217,680,310.89/300,398,832.66 = 119,895,166.89/x
  3. Step 3: Cross multiply
    217,680,310.89x = 300,398,832.66 × 119,895,166.89
  4. Step 4: Simplify right side
    217,680,310.89x = 36,016,368,175,331,884
  5. Step 5: Solve for x
    x = 36,016,368,175,331,884/217,680,310.89
  6. Step 6: Final answer
    x = 165,455,332.31

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1.5x scale

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.