Home / 239,041,145.70-329,877,464.16-138,589,104.48

Finding the Fourth Proportional to 239,041,145.70, 329,877,464.16 and 138,589,104.48

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Solution

The fourth proportional to 239,041,145.70, 329,877,464.16 and 138,589,104.48 is: 191,253,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,041,145.70 : 329,877,464.16 = 138,589,104.48 : x
  2. Step 2: Convert to fraction form
    239,041,145.70/329,877,464.16 = 138,589,104.48/x
  3. Step 3: Cross multiply
    239,041,145.70x = 329,877,464.16 × 138,589,104.48
  4. Step 4: Simplify right side
    239,041,145.70x = 45,717,422,346,067,696
  5. Step 5: Solve for x
    x = 45,717,422,346,067,696/239,041,145.70
  6. Step 6: Final answer
    x = 191,253,360.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.