Home / 151,840,613.65-209,540,248.91-82,226,114.59

Finding the Fourth Proportional to 151,840,613.65, 209,540,248.91 and 82,226,114.59

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Solution

The fourth proportional to 151,840,613.65, 209,540,248.91 and 82,226,114.59 is: 113,472,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,840,613.65 : 209,540,248.91 = 82,226,114.59 : x
  2. Step 2: Convert to fraction form
    151,840,613.65/209,540,248.91 = 82,226,114.59/x
  3. Step 3: Cross multiply
    151,840,613.65x = 209,540,248.91 × 82,226,114.59
  4. Step 4: Simplify right side
    151,840,613.65x = 17,229,680,518,090,784
  5. Step 5: Solve for x
    x = 17,229,680,518,090,784/151,840,613.65
  6. Step 6: Final answer
    x = 113,472,147.56

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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.