Home / 209,953,727.20-314,930,590.80-200,387,789.20

Finding the Fourth Proportional to 209,953,727.20, 314,930,590.80 and 200,387,789.20

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Solution

The fourth proportional to 209,953,727.20, 314,930,590.80 and 200,387,789.20 is: 300,581,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,727.20 : 314,930,590.80 = 200,387,789.20 : x
  2. Step 2: Convert to fraction form
    209,953,727.20/314,930,590.80 = 200,387,789.20/x
  3. Step 3: Cross multiply
    209,953,727.20x = 314,930,590.80 × 200,387,789.20
  4. Step 4: Simplify right side
    209,953,727.20x = 63,108,244,841,861,856
  5. Step 5: Solve for x
    x = 63,108,244,841,861,856/209,953,727.20
  6. Step 6: Final answer
    x = 300,581,683.80

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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.