Home / 215,239,336.20-322,859,004.30-194,832,001.80

Finding the Fourth Proportional to 215,239,336.20, 322,859,004.30 and 194,832,001.80

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Solution

The fourth proportional to 215,239,336.20, 322,859,004.30 and 194,832,001.80 is: 292,248,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,239,336.20 : 322,859,004.30 = 194,832,001.80 : x
  2. Step 2: Convert to fraction form
    215,239,336.20/322,859,004.30 = 194,832,001.80/x
  3. Step 3: Cross multiply
    215,239,336.20x = 322,859,004.30 × 194,832,001.80
  4. Step 4: Simplify right side
    215,239,336.20x = 62,903,266,106,923,816
  5. Step 5: Solve for x
    x = 62,903,266,106,923,816/215,239,336.20
  6. Step 6: Final answer
    x = 292,248,002.70

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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.