Home / 83,003,308.08-124,496,407.20-27,665,163.78

Finding the Fourth Proportional to 83,003,308.08, 124,496,407.20 and 27,665,163.78

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Solution

The fourth proportional to 83,003,308.08, 124,496,407.20 and 27,665,163.78 is: 41,494,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,003,308.08 : 124,496,407.20 = 27,665,163.78 : x
  2. Step 2: Convert to fraction form
    83,003,308.08/124,496,407.20 = 27,665,163.78/x
  3. Step 3: Cross multiply
    83,003,308.08x = 124,496,407.20 × 27,665,163.78
  4. Step 4: Simplify right side
    83,003,308.08x = 3,444,213,495,209,571.50
  5. Step 5: Solve for x
    x = 3,444,213,495,209,571.50/83,003,308.08
  6. Step 6: Final answer
    x = 41,494,894.30

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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.