Home / 220,919,013.52-331,380,180.70-98,064,302.80

Finding the Fourth Proportional to 220,919,013.52, 331,380,180.70 and 98,064,302.80

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Solution

The fourth proportional to 220,919,013.52, 331,380,180.70 and 98,064,302.80 is: 147,097,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,919,013.52 : 331,380,180.70 = 98,064,302.80 : x
  2. Step 2: Convert to fraction form
    220,919,013.52/331,380,180.70 = 98,064,302.80/x
  3. Step 3: Cross multiply
    220,919,013.52x = 331,380,180.70 × 98,064,302.80
  4. Step 4: Simplify right side
    220,919,013.52x = 32,496,566,382,083,512
  5. Step 5: Solve for x
    x = 32,496,566,382,083,512/220,919,013.52
  6. Step 6: Final answer
    x = 147,097,191.25

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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.