Home / 82,311,220.80-123,466,831.20-51,700,219.20

Finding the Fourth Proportional to 82,311,220.80, 123,466,831.20 and 51,700,219.20

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Solution

The fourth proportional to 82,311,220.80, 123,466,831.20 and 51,700,219.20 is: 77,550,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311,220.80 : 123,466,831.20 = 51,700,219.20 : x
  2. Step 2: Convert to fraction form
    82,311,220.80/123,466,831.20 = 51,700,219.20/x
  3. Step 3: Cross multiply
    82,311,220.80x = 123,466,831.20 × 51,700,219.20
  4. Step 4: Simplify right side
    82,311,220.80x = 6,383,262,236,969,400
  5. Step 5: Solve for x
    x = 6,383,262,236,969,400/82,311,220.80
  6. Step 6: Final answer
    x = 77,550,328.80

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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.