Home / 218,307,489.92-301,262,776.30-119,188,234.07

Finding the Fourth Proportional to 218,307,489.92, 301,262,776.30 and 119,188,234.07

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Solution

The fourth proportional to 218,307,489.92, 301,262,776.30 and 119,188,234.07 is: 164,478,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,307,489.92 : 301,262,776.30 = 119,188,234.07 : x
  2. Step 2: Convert to fraction form
    218,307,489.92/301,262,776.30 = 119,188,234.07/x
  3. Step 3: Cross multiply
    218,307,489.92x = 301,262,776.30 × 119,188,234.07
  4. Step 4: Simplify right side
    218,307,489.92x = 35,906,978,298,222,448
  5. Step 5: Solve for x
    x = 35,906,978,298,222,448/218,307,489.92
  6. Step 6: Final answer
    x = 164,478,911.43

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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.