Home / 262,278,000.20-393,417,000.30-80,501,558.60

Finding the Fourth Proportional to 262,278,000.20, 393,417,000.30 and 80,501,558.60

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Solution

The fourth proportional to 262,278,000.20, 393,417,000.30 and 80,501,558.60 is: 120,752,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,278,000.20 : 393,417,000.30 = 80,501,558.60 : x
  2. Step 2: Convert to fraction form
    262,278,000.20/393,417,000.30 = 80,501,558.60/x
  3. Step 3: Cross multiply
    262,278,000.20x = 393,417,000.30 × 80,501,558.60
  4. Step 4: Simplify right side
    262,278,000.20x = 31,670,681,703,886,668
  5. Step 5: Solve for x
    x = 31,670,681,703,886,668/262,278,000.20
  6. Step 6: Final answer
    x = 120,752,337.90

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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.