Home / 99,454,568.28-137,251,439.21-55,401,555.12

Finding the Fourth Proportional to 99,454,568.28, 137,251,439.21 and 55,401,555.12

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Solution

The fourth proportional to 99,454,568.28, 137,251,439.21 and 55,401,555.12 is: 76,456,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,454,568.28 : 137,251,439.21 = 55,401,555.12 : x
  2. Step 2: Convert to fraction form
    99,454,568.28/137,251,439.21 = 55,401,555.12/x
  3. Step 3: Cross multiply
    99,454,568.28x = 137,251,439.21 × 55,401,555.12
  4. Step 4: Simplify right side
    99,454,568.28x = 7,603,943,174,315,956
  5. Step 5: Solve for x
    x = 7,603,943,174,315,956/99,454,568.28
  6. Step 6: Final answer
    x = 76,456,449.47

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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.