Home / 318,471,127.38-439,476,019.20-177,349,626.90

Finding the Fourth Proportional to 318,471,127.38, 439,476,019.20 and 177,349,626.90

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Solution

The fourth proportional to 318,471,127.38, 439,476,019.20 and 177,349,626.90 is: 244,734,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,471,127.38 : 439,476,019.20 = 177,349,626.90 : x
  2. Step 2: Convert to fraction form
    318,471,127.38/439,476,019.20 = 177,349,626.90/x
  3. Step 3: Cross multiply
    318,471,127.38x = 439,476,019.20 × 177,349,626.90
  4. Step 4: Simplify right side
    318,471,127.38x = 77,940,908,036,617,232
  5. Step 5: Solve for x
    x = 77,940,908,036,617,232/318,471,127.38
  6. Step 6: Final answer
    x = 244,734,612.77

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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.