Home / 90,760,100.46-136,140,072.93-33,256,872.06

Finding the Fourth Proportional to 90,760,100.46, 136,140,072.93 and 33,256,872.06

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Solution

The fourth proportional to 90,760,100.46, 136,140,072.93 and 33,256,872.06 is: 49,885,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760,100.46 : 136,140,072.93 = 33,256,872.06 : x
  2. Step 2: Convert to fraction form
    90,760,100.46/136,140,072.93 = 33,256,872.06/x
  3. Step 3: Cross multiply
    90,760,100.46x = 136,140,072.93 × 33,256,872.06
  4. Step 4: Simplify right side
    90,760,100.46x = 4,527,592,987,672,079
  5. Step 5: Solve for x
    x = 4,527,592,987,672,079/90,760,100.46
  6. Step 6: Final answer
    x = 49,885,279.60

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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.