Home / 150,419,009.72-207,501,834.84-98,238,589.40

Finding the Fourth Proportional to 150,419,009.72, 207,501,834.84 and 98,238,589.40

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Solution

The fourth proportional to 150,419,009.72, 207,501,834.84 and 98,238,589.40 is: 135,519,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,419,009.72 : 207,501,834.84 = 98,238,589.40 : x
  2. Step 2: Convert to fraction form
    150,419,009.72/207,501,834.84 = 98,238,589.40/x
  3. Step 3: Cross multiply
    150,419,009.72x = 207,501,834.84 × 98,238,589.40
  4. Step 4: Simplify right side
    150,419,009.72x = 20,384,687,552,593,376
  5. Step 5: Solve for x
    x = 20,384,687,552,593,376/150,419,009.72
  6. Step 6: Final answer
    x = 135,519,357.50

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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.