Home / 220,806,865.46-304,715,558.40-121,691,238.14

Finding the Fourth Proportional to 220,806,865.46, 304,715,558.40 and 121,691,238.14

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Solution

The fourth proportional to 220,806,865.46, 304,715,558.40 and 121,691,238.14 is: 167,935,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,806,865.46 : 304,715,558.40 = 121,691,238.14 : x
  2. Step 2: Convert to fraction form
    220,806,865.46/304,715,558.40 = 121,691,238.14/x
  3. Step 3: Cross multiply
    220,806,865.46x = 304,715,558.40 × 121,691,238.14
  4. Step 4: Simplify right side
    220,806,865.46x = 37,081,213,582,217,472
  5. Step 5: Solve for x
    x = 37,081,213,582,217,472/220,806,865.46
  6. Step 6: Final answer
    x = 167,935,057.20

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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.