Home / 135,456,720.95-186,945,782.14-75,934,093.52

Finding the Fourth Proportional to 135,456,720.95, 186,945,782.14 and 75,934,093.52

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Solution

The fourth proportional to 135,456,720.95, 186,945,782.14 and 75,934,093.52 is: 104,797,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,456,720.95 : 186,945,782.14 = 75,934,093.52 : x
  2. Step 2: Convert to fraction form
    135,456,720.95/186,945,782.14 = 75,934,093.52/x
  3. Step 3: Cross multiply
    135,456,720.95x = 186,945,782.14 × 75,934,093.52
  4. Step 4: Simplify right side
    135,456,720.95x = 14,195,558,504,438,646
  5. Step 5: Solve for x
    x = 14,195,558,504,438,646/135,456,720.95
  6. Step 6: Final answer
    x = 104,797,742.08

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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.