Home / 151,039,811.71-226,680,786.69-78,277,394.89

Finding the Fourth Proportional to 151,039,811.71, 226,680,786.69 and 78,277,394.89

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Solution

The fourth proportional to 151,039,811.71, 226,680,786.69 and 78,277,394.89 is: 117,478,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,039,811.71 : 226,680,786.69 = 78,277,394.89 : x
  2. Step 2: Convert to fraction form
    151,039,811.71/226,680,786.69 = 78,277,394.89/x
  3. Step 3: Cross multiply
    151,039,811.71x = 226,680,786.69 × 78,277,394.89
  4. Step 4: Simplify right side
    151,039,811.71x = 17,743,981,453,708,986
  5. Step 5: Solve for x
    x = 17,743,981,453,708,986/151,039,811.71
  6. Step 6: Final answer
    x = 117,478,837.22

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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.