Home / 149,287,276.80-223,930,915.20-123,778,108.80

Finding the Fourth Proportional to 149,287,276.80, 223,930,915.20 and 123,778,108.80

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Solution

The fourth proportional to 149,287,276.80, 223,930,915.20 and 123,778,108.80 is: 185,667,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,287,276.80 : 223,930,915.20 = 123,778,108.80 : x
  2. Step 2: Convert to fraction form
    149,287,276.80/223,930,915.20 = 123,778,108.80/x
  3. Step 3: Cross multiply
    149,287,276.80x = 223,930,915.20 × 123,778,108.80
  4. Step 4: Simplify right side
    149,287,276.80x = 27,717,745,185,309,172
  5. Step 5: Solve for x
    x = 27,717,745,185,309,172/149,287,276.80
  6. Step 6: Final answer
    x = 185,667,163.20

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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.