Home / 209,952,238.35-314,928,357.53-133,613,691.15

Finding the Fourth Proportional to 209,952,238.35, 314,928,357.53 and 133,613,691.15

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Solution

The fourth proportional to 209,952,238.35, 314,928,357.53 and 133,613,691.15 is: 200,420,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,238.35 : 314,928,357.53 = 133,613,691.15 : x
  2. Step 2: Convert to fraction form
    209,952,238.35/314,928,357.53 = 133,613,691.15/x
  3. Step 3: Cross multiply
    209,952,238.35x = 314,928,357.53 × 133,613,691.15
  4. Step 4: Simplify right side
    209,952,238.35x = 42,078,740,296,722,128
  5. Step 5: Solve for x
    x = 42,078,740,296,722,128/209,952,238.35
  6. Step 6: Final answer
    x = 200,420,536.73

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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.