Home / 220,748,932.06-304,640,428.85-126,680,288.38

Finding the Fourth Proportional to 220,748,932.06, 304,640,428.85 and 126,680,288.38

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Solution

The fourth proportional to 220,748,932.06, 304,640,428.85 and 126,680,288.38 is: 174,822,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,748,932.06 : 304,640,428.85 = 126,680,288.38 : x
  2. Step 2: Convert to fraction form
    220,748,932.06/304,640,428.85 = 126,680,288.38/x
  3. Step 3: Cross multiply
    220,748,932.06x = 304,640,428.85 × 126,680,288.38
  4. Step 4: Simplify right side
    220,748,932.06x = 38,591,937,378,004,920
  5. Step 5: Solve for x
    x = 38,591,937,378,004,920/220,748,932.06
  6. Step 6: Final answer
    x = 174,822,759.13

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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.