Home / 207,790,501.20-311,064,359.46-125,660,821.74

Finding the Fourth Proportional to 207,790,501.20, 311,064,359.46 and 125,660,821.74

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Solution

The fourth proportional to 207,790,501.20, 311,064,359.46 and 125,660,821.74 is: 188,115,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,790,501.20 : 311,064,359.46 = 125,660,821.74 : x
  2. Step 2: Convert to fraction form
    207,790,501.20/311,064,359.46 = 125,660,821.74/x
  3. Step 3: Cross multiply
    207,790,501.20x = 311,064,359.46 × 125,660,821.74
  4. Step 4: Simplify right side
    207,790,501.20x = 39,088,603,023,770,336
  5. Step 5: Solve for x
    x = 39,088,603,023,770,336/207,790,501.20
  6. Step 6: Final answer
    x = 188,115,447.04

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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.