Home / 181,445,323.20-272,203,414.20-72,251,912.40

Finding the Fourth Proportional to 181,445,323.20, 272,203,414.20 and 72,251,912.40

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Solution

The fourth proportional to 181,445,323.20, 272,203,414.20 and 72,251,912.40 is: 108,391,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,445,323.20 : 272,203,414.20 = 72,251,912.40 : x
  2. Step 2: Convert to fraction form
    181,445,323.20/272,203,414.20 = 72,251,912.40/x
  3. Step 3: Cross multiply
    181,445,323.20x = 272,203,414.20 × 72,251,912.40
  4. Step 4: Simplify right side
    181,445,323.20x = 19,667,217,237,759,316
  5. Step 5: Solve for x
    x = 19,667,217,237,759,316/181,445,323.20
  6. Step 6: Final answer
    x = 108,391,976.66

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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.