Home / 262,464,006.80-393,696,010.20-80,687,565.20

Finding the Fourth Proportional to 262,464,006.80, 393,696,010.20 and 80,687,565.20

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Solution

The fourth proportional to 262,464,006.80, 393,696,010.20 and 80,687,565.20 is: 121,031,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,464,006.80 : 393,696,010.20 = 80,687,565.20 : x
  2. Step 2: Convert to fraction form
    262,464,006.80/393,696,010.20 = 80,687,565.20/x
  3. Step 3: Cross multiply
    262,464,006.80x = 393,696,010.20 × 80,687,565.20
  4. Step 4: Simplify right side
    262,464,006.80x = 31,766,372,491,992,364
  5. Step 5: Solve for x
    x = 31,766,372,491,992,364/262,464,006.80
  6. Step 6: Final answer
    x = 121,031,347.80

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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.