Home / 67,227,203.50-100,844,381.07-21,172,674.06

Finding the Fourth Proportional to 67,227,203.50, 100,844,381.07 and 21,172,674.06

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Solution

The fourth proportional to 67,227,203.50, 100,844,381.07 and 21,172,674.06 is: 31,760,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227,203.50 : 100,844,381.07 = 21,172,674.06 : x
  2. Step 2: Convert to fraction form
    67,227,203.50/100,844,381.07 = 21,172,674.06/x
  3. Step 3: Cross multiply
    67,227,203.50x = 100,844,381.07 × 21,172,674.06
  4. Step 4: Simplify right side
    67,227,203.50x = 2,135,145,211,177,543.75
  5. Step 5: Solve for x
    x = 2,135,145,211,177,543.75/67,227,203.50
  6. Step 6: Final answer
    x = 31,760,137.27

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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.