Home / 220,474,996.40-304,253,080.56-121,353,624.56

Finding the Fourth Proportional to 220,474,996.40, 304,253,080.56 and 121,353,624.56

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Solution

The fourth proportional to 220,474,996.40, 304,253,080.56 and 121,353,624.56 is: 167,466,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,474,996.40 : 304,253,080.56 = 121,353,624.56 : x
  2. Step 2: Convert to fraction form
    220,474,996.40/304,253,080.56 = 121,353,624.56/x
  3. Step 3: Cross multiply
    220,474,996.40x = 304,253,080.56 × 121,353,624.56
  4. Step 4: Simplify right side
    220,474,996.40x = 36,922,214,109,501,672
  5. Step 5: Solve for x
    x = 36,922,214,109,501,672/220,474,996.40
  6. Step 6: Final answer
    x = 167,466,672.92

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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.