Home / 215,674,121.40-323,511,182.10-119,936,009.40

Finding the Fourth Proportional to 215,674,121.40, 323,511,182.10 and 119,936,009.40

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Solution

The fourth proportional to 215,674,121.40, 323,511,182.10 and 119,936,009.40 is: 179,904,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,674,121.40 : 323,511,182.10 = 119,936,009.40 : x
  2. Step 2: Convert to fraction form
    215,674,121.40/323,511,182.10 = 119,936,009.40/x
  3. Step 3: Cross multiply
    215,674,121.40x = 323,511,182.10 × 119,936,009.40
  4. Step 4: Simplify right side
    215,674,121.40x = 38,800,640,177,350,720
  5. Step 5: Solve for x
    x = 38,800,640,177,350,720/215,674,121.40
  6. Step 6: Final answer
    x = 179,904,014.10

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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.