Home / 251,055,195.56-346,447,333.42-138,023,864.44

Finding the Fourth Proportional to 251,055,195.56, 346,447,333.42 and 138,023,864.44

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Solution

The fourth proportional to 251,055,195.56, 346,447,333.42 and 138,023,864.44 is: 190,468,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,055,195.56 : 346,447,333.42 = 138,023,864.44 : x
  2. Step 2: Convert to fraction form
    251,055,195.56/346,447,333.42 = 138,023,864.44/x
  3. Step 3: Cross multiply
    251,055,195.56x = 346,447,333.42 × 138,023,864.44
  4. Step 4: Simplify right side
    251,055,195.56x = 47,817,999,783,561,560
  5. Step 5: Solve for x
    x = 47,817,999,783,561,560/251,055,195.56
  6. Step 6: Final answer
    x = 190,468,074.87

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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.