Home / 307,523,253.28-424,381,812.80-173,589,367.20

Finding the Fourth Proportional to 307,523,253.28, 424,381,812.80 and 173,589,367.20

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Solution

The fourth proportional to 307,523,253.28, 424,381,812.80 and 173,589,367.20 is: 239,553,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,523,253.28 : 424,381,812.80 = 173,589,367.20 : x
  2. Step 2: Convert to fraction form
    307,523,253.28/424,381,812.80 = 173,589,367.20/x
  3. Step 3: Cross multiply
    307,523,253.28x = 424,381,812.80 × 173,589,367.20
  4. Step 4: Simplify right side
    307,523,253.28x = 73,668,170,335,140,864
  5. Step 5: Solve for x
    x = 73,668,170,335,140,864/307,523,253.28
  6. Step 6: Final answer
    x = 239,553,170.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.