Home / 207,790,500.96-311,064,359.07-125,660,821.50

Finding the Fourth Proportional to 207,790,500.96, 311,064,359.07 and 125,660,821.50

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Solution

The fourth proportional to 207,790,500.96, 311,064,359.07 and 125,660,821.50 is: 188,115,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,790,500.96 : 311,064,359.07 = 125,660,821.50 : x
  2. Step 2: Convert to fraction form
    207,790,500.96/311,064,359.07 = 125,660,821.50/x
  3. Step 3: Cross multiply
    207,790,500.96x = 311,064,359.07 × 125,660,821.50
  4. Step 4: Simplify right side
    207,790,500.96x = 39,088,602,900,107,176
  5. Step 5: Solve for x
    x = 39,088,602,900,107,176/207,790,500.96
  6. Step 6: Final answer
    x = 188,115,446.66

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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.