Home / 251,055,189.06-346,447,324.45-138,023,857.94

Finding the Fourth Proportional to 251,055,189.06, 346,447,324.45 and 138,023,857.94

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Solution

The fourth proportional to 251,055,189.06, 346,447,324.45 and 138,023,857.94 is: 190,468,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,055,189.06 : 346,447,324.45 = 138,023,857.94 : x
  2. Step 2: Convert to fraction form
    251,055,189.06/346,447,324.45 = 138,023,857.94/x
  3. Step 3: Cross multiply
    251,055,189.06x = 346,447,324.45 × 138,023,857.94
  4. Step 4: Simplify right side
    251,055,189.06x = 47,817,996,293,579,888
  5. Step 5: Solve for x
    x = 47,817,996,293,579,888/251,055,189.06
  6. Step 6: Final answer
    x = 190,468,065.90

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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.