Home / 102,717,112.39-153,979,220.26-34,512,105.67

Finding the Fourth Proportional to 102,717,112.39, 153,979,220.26 and 34,512,105.67

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Solution

The fourth proportional to 102,717,112.39, 153,979,220.26 and 34,512,105.67 is: 51,735,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,717,112.39 : 153,979,220.26 = 34,512,105.67 : x
  2. Step 2: Convert to fraction form
    102,717,112.39/153,979,220.26 = 34,512,105.67/x
  3. Step 3: Cross multiply
    102,717,112.39x = 153,979,220.26 × 34,512,105.67
  4. Step 4: Simplify right side
    102,717,112.39x = 5,314,147,120,597,325
  5. Step 5: Solve for x
    x = 5,314,147,120,597,325/102,717,112.39
  6. Step 6: Final answer
    x = 51,735,752.66

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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.