Home / 55,143,435.20-82,715,152.80-30,956,964.80

Finding the Fourth Proportional to 55,143,435.20, 82,715,152.80 and 30,956,964.80

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Solution

The fourth proportional to 55,143,435.20, 82,715,152.80 and 30,956,964.80 is: 46,435,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,435.20 : 82,715,152.80 = 30,956,964.80 : x
  2. Step 2: Convert to fraction form
    55,143,435.20/82,715,152.80 = 30,956,964.80/x
  3. Step 3: Cross multiply
    55,143,435.20x = 82,715,152.80 × 30,956,964.80
  4. Step 4: Simplify right side
    55,143,435.20x = 2,560,610,073,656,221.50
  5. Step 5: Solve for x
    x = 2,560,610,073,656,221.50/55,143,435.20
  6. Step 6: Final answer
    x = 46,435,447.20

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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.