Home / 239,523,026.80-359,284,540.20-215,289,317.20

Finding the Fourth Proportional to 239,523,026.80, 359,284,540.20 and 215,289,317.20

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Solution

The fourth proportional to 239,523,026.80, 359,284,540.20 and 215,289,317.20 is: 322,933,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,523,026.80 : 359,284,540.20 = 215,289,317.20 : x
  2. Step 2: Convert to fraction form
    239,523,026.80/359,284,540.20 = 215,289,317.20/x
  3. Step 3: Cross multiply
    239,523,026.80x = 359,284,540.20 × 215,289,317.20
  4. Step 4: Simplify right side
    239,523,026.80x = 77,350,123,340,173,952
  5. Step 5: Solve for x
    x = 77,350,123,340,173,952/239,523,026.80
  6. Step 6: Final answer
    x = 322,933,975.80

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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.