Home / 220,806,986.46-304,715,725.38-121,691,359.14

Finding the Fourth Proportional to 220,806,986.46, 304,715,725.38 and 121,691,359.14

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Solution

The fourth proportional to 220,806,986.46, 304,715,725.38 and 121,691,359.14 is: 167,935,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,806,986.46 : 304,715,725.38 = 121,691,359.14 : x
  2. Step 2: Convert to fraction form
    220,806,986.46/304,715,725.38 = 121,691,359.14/x
  3. Step 3: Cross multiply
    220,806,986.46x = 304,715,725.38 × 121,691,359.14
  4. Step 4: Simplify right side
    220,806,986.46x = 37,081,270,772,823,192
  5. Step 5: Solve for x
    x = 37,081,270,772,823,192/220,806,986.46
  6. Step 6: Final answer
    x = 167,935,224.19

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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.