Home / 82,920,267.20-124,380,400.80-26,186,571.20

Finding the Fourth Proportional to 82,920,267.20, 124,380,400.80 and 26,186,571.20

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Solution

The fourth proportional to 82,920,267.20, 124,380,400.80 and 26,186,571.20 is: 39,279,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920,267.20 : 124,380,400.80 = 26,186,571.20 : x
  2. Step 2: Convert to fraction form
    82,920,267.20/124,380,400.80 = 26,186,571.20/x
  3. Step 3: Cross multiply
    82,920,267.20x = 124,380,400.80 × 26,186,571.20
  4. Step 4: Simplify right side
    82,920,267.20x = 3,257,096,221,433,737
  5. Step 5: Solve for x
    x = 3,257,096,221,433,737/82,920,267.20
  6. Step 6: Final answer
    x = 39,279,856.80

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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.