Home / 251,055,189.56-346,447,325.14-138,023,858.44

Finding the Fourth Proportional to 251,055,189.56, 346,447,325.14 and 138,023,858.44

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Solution

The fourth proportional to 251,055,189.56, 346,447,325.14 and 138,023,858.44 is: 190,468,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,055,189.56 : 346,447,325.14 = 138,023,858.44 : x
  2. Step 2: Convert to fraction form
    251,055,189.56/346,447,325.14 = 138,023,858.44/x
  3. Step 3: Cross multiply
    251,055,189.56x = 346,447,325.14 × 138,023,858.44
  4. Step 4: Simplify right side
    251,055,189.56x = 47,817,996,562,040,008
  5. Step 5: Solve for x
    x = 47,817,996,562,040,008/251,055,189.56
  6. Step 6: Final answer
    x = 190,468,066.59

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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.