Home / 101,754,738.48-140,408,794.16-68,786,719.52

Finding the Fourth Proportional to 101,754,738.48, 140,408,794.16 and 68,786,719.52

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Solution

The fourth proportional to 101,754,738.48, 140,408,794.16 and 68,786,719.52 is: 94,917,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,754,738.48 : 140,408,794.16 = 68,786,719.52 : x
  2. Step 2: Convert to fraction form
    101,754,738.48/140,408,794.16 = 68,786,719.52/x
  3. Step 3: Cross multiply
    101,754,738.48x = 140,408,794.16 × 68,786,719.52
  4. Step 4: Simplify right side
    101,754,738.48x = 9,658,260,342,025,334
  5. Step 5: Solve for x
    x = 9,658,260,342,025,334/101,754,738.48
  6. Step 6: Final answer
    x = 94,917,057.29

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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.