Home / 55,147,326.20-82,720,989.30-16,808,778.80

Finding the Fourth Proportional to 55,147,326.20, 82,720,989.30 and 16,808,778.80

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Solution

The fourth proportional to 55,147,326.20, 82,720,989.30 and 16,808,778.80 is: 25,213,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,326.20 : 82,720,989.30 = 16,808,778.80 : x
  2. Step 2: Convert to fraction form
    55,147,326.20/82,720,989.30 = 16,808,778.80/x
  3. Step 3: Cross multiply
    55,147,326.20x = 82,720,989.30 × 16,808,778.80
  4. Step 4: Simplify right side
    55,147,326.20x = 1,390,438,811,260,866.75
  5. Step 5: Solve for x
    x = 1,390,438,811,260,866.75/55,147,326.20
  6. Step 6: Final answer
    x = 25,213,168.20

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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.