Home / 218,906,117.60-302,093,976.48-119,795,476.64

Finding the Fourth Proportional to 218,906,117.60, 302,093,976.48 and 119,795,476.64

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Solution

The fourth proportional to 218,906,117.60, 302,093,976.48 and 119,795,476.64 is: 165,319,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,906,117.60 : 302,093,976.48 = 119,795,476.64 : x
  2. Step 2: Convert to fraction form
    218,906,117.60/302,093,976.48 = 119,795,476.64/x
  3. Step 3: Cross multiply
    218,906,117.60x = 302,093,976.48 × 119,795,476.64
  4. Step 4: Simplify right side
    218,906,117.60x = 36,189,491,902,494,552
  5. Step 5: Solve for x
    x = 36,189,491,902,494,552/218,906,117.60
  6. Step 6: Final answer
    x = 165,319,691.84

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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.