Home / 121,019,299.32-181,530,521.46-40,240,264.44

Finding the Fourth Proportional to 121,019,299.32, 181,530,521.46 and 40,240,264.44

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Solution

The fourth proportional to 121,019,299.32, 181,530,521.46 and 40,240,264.44 is: 60,360,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,019,299.32 : 181,530,521.46 = 40,240,264.44 : x
  2. Step 2: Convert to fraction form
    121,019,299.32/181,530,521.46 = 40,240,264.44/x
  3. Step 3: Cross multiply
    121,019,299.32x = 181,530,521.46 × 40,240,264.44
  4. Step 4: Simplify right side
    121,019,299.32x = 7,304,836,187,481,495
  5. Step 5: Solve for x
    x = 7,304,836,187,481,495/121,019,299.32
  6. Step 6: Final answer
    x = 60,360,919.53

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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.