Home / 126,735,638.88-175,037,837.04-85,652,231.52

Finding the Fourth Proportional to 126,735,638.88, 175,037,837.04 and 85,652,231.52

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Solution

The fourth proportional to 126,735,638.88, 175,037,837.04 and 85,652,231.52 is: 118,296,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,735,638.88 : 175,037,837.04 = 85,652,231.52 : x
  2. Step 2: Convert to fraction form
    126,735,638.88/175,037,837.04 = 85,652,231.52/x
  3. Step 3: Cross multiply
    126,735,638.88x = 175,037,837.04 × 85,652,231.52
  4. Step 4: Simplify right side
    126,735,638.88x = 14,992,381,342,910,110
  5. Step 5: Solve for x
    x = 14,992,381,342,910,110/126,735,638.88
  6. Step 6: Final answer
    x = 118,296,490.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.