Home / 55,147,342.20-82,721,013.30-16,808,794.80

Finding the Fourth Proportional to 55,147,342.20, 82,721,013.30 and 16,808,794.80

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Solution

The fourth proportional to 55,147,342.20, 82,721,013.30 and 16,808,794.80 is: 25,213,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,342.20 : 82,721,013.30 = 16,808,794.80 : x
  2. Step 2: Convert to fraction form
    55,147,342.20/82,721,013.30 = 16,808,794.80/x
  3. Step 3: Cross multiply
    55,147,342.20x = 82,721,013.30 × 16,808,794.80
  4. Step 4: Simplify right side
    55,147,342.20x = 1,390,440,538,207,770.75
  5. Step 5: Solve for x
    x = 1,390,440,538,207,770.75/55,147,342.20
  6. Step 6: Final answer
    x = 25,213,192.20

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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.