Home / 207,790,499.70-311,064,357.21-125,660,820.24

Finding the Fourth Proportional to 207,790,499.70, 311,064,357.21 and 125,660,820.24

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Solution

The fourth proportional to 207,790,499.70, 311,064,357.21 and 125,660,820.24 is: 188,115,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,790,499.70 : 311,064,357.21 = 125,660,820.24 : x
  2. Step 2: Convert to fraction form
    207,790,499.70/311,064,357.21 = 125,660,820.24/x
  3. Step 3: Cross multiply
    207,790,499.70x = 311,064,357.21 × 125,660,820.24
  4. Step 4: Simplify right side
    207,790,499.70x = 39,088,602,274,436,952
  5. Step 5: Solve for x
    x = 39,088,602,274,436,952/207,790,499.70
  6. Step 6: Final answer
    x = 188,115,444.79

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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.