Home / 82,180,334.88-123,074,831.43-47,563,842.78

Finding the Fourth Proportional to 82,180,334.88, 123,074,831.43 and 47,563,842.78

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Solution

The fourth proportional to 82,180,334.88, 123,074,831.43 and 47,563,842.78 is: 71,232,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,180,334.88 : 123,074,831.43 = 47,563,842.78 : x
  2. Step 2: Convert to fraction form
    82,180,334.88/123,074,831.43 = 47,563,842.78/x
  3. Step 3: Cross multiply
    82,180,334.88x = 123,074,831.43 × 47,563,842.78
  4. Step 4: Simplify right side
    82,180,334.88x = 5,853,911,932,311,523
  5. Step 5: Solve for x
    x = 5,853,911,932,311,523/82,180,334.88
  6. Step 6: Final answer
    x = 71,232,514.94

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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.