Home / 67,227,702.22-100,845,131.10-21,173,172.58

Finding the Fourth Proportional to 67,227,702.22, 100,845,131.10 and 21,173,172.58

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Solution

The fourth proportional to 67,227,702.22, 100,845,131.10 and 21,173,172.58 is: 31,760,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227,702.22 : 100,845,131.10 = 21,173,172.58 : x
  2. Step 2: Convert to fraction form
    67,227,702.22/100,845,131.10 = 21,173,172.58/x
  3. Step 3: Cross multiply
    67,227,702.22x = 100,845,131.10 × 21,173,172.58
  4. Step 4: Simplify right side
    67,227,702.22x = 2,135,211,364,633,025
  5. Step 5: Solve for x
    x = 2,135,211,364,633,025/67,227,702.22
  6. Step 6: Final answer
    x = 31,760,885.68

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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.