Home / 129,508,914.17-194,364,109.56-90,393,254.44

Finding the Fourth Proportional to 129,508,914.17, 194,364,109.56 and 90,393,254.44

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Solution

The fourth proportional to 129,508,914.17, 194,364,109.56 and 90,393,254.44 is: 135,660,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,508,914.17 : 194,364,109.56 = 90,393,254.44 : x
  2. Step 2: Convert to fraction form
    129,508,914.17/194,364,109.56 = 90,393,254.44/x
  3. Step 3: Cross multiply
    129,508,914.17x = 194,364,109.56 × 90,393,254.44
  4. Step 4: Simplify right side
    129,508,914.17x = 17,569,204,408,805,268
  5. Step 5: Solve for x
    x = 17,569,204,408,805,268/129,508,914.17
  6. Step 6: Final answer
    x = 135,660,193.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.