Home / 135,456,720.51-186,945,781.54-75,934,093.09

Finding the Fourth Proportional to 135,456,720.51, 186,945,781.54 and 75,934,093.09

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Solution

The fourth proportional to 135,456,720.51, 186,945,781.54 and 75,934,093.09 is: 104,797,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,456,720.51 : 186,945,781.54 = 75,934,093.09 : x
  2. Step 2: Convert to fraction form
    135,456,720.51/186,945,781.54 = 75,934,093.09/x
  3. Step 3: Cross multiply
    135,456,720.51x = 186,945,781.54 × 75,934,093.09
  4. Step 4: Simplify right side
    135,456,720.51x = 14,195,558,377,306,432
  5. Step 5: Solve for x
    x = 14,195,558,377,306,432/135,456,720.51
  6. Step 6: Final answer
    x = 104,797,741.48

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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.