Home / 101,914,321.35-140,544,411.30-68,499,279.57

Finding the Fourth Proportional to 101,914,321.35, 140,544,411.30 and 68,499,279.57

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Solution

The fourth proportional to 101,914,321.35, 140,544,411.30 and 68,499,279.57 is: 94,463,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,914,321.35 : 140,544,411.30 = 68,499,279.57 : x
  2. Step 2: Convert to fraction form
    101,914,321.35/140,544,411.30 = 68,499,279.57/x
  3. Step 3: Cross multiply
    101,914,321.35x = 140,544,411.30 × 68,499,279.57
  4. Step 4: Simplify right side
    101,914,321.35x = 9,627,190,921,639,766
  5. Step 5: Solve for x
    x = 9,627,190,921,639,766/101,914,321.35
  6. Step 6: Final answer
    x = 94,463,572.87

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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.