Home / 80,958,735.79-121,409,689.43-22,650,745.38

Finding the Fourth Proportional to 80,958,735.79, 121,409,689.43 and 22,650,745.38

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Solution

The fourth proportional to 80,958,735.79, 121,409,689.43 and 22,650,745.38 is: 33,968,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,958,735.79 : 121,409,689.43 = 22,650,745.38 : x
  2. Step 2: Convert to fraction form
    80,958,735.79/121,409,689.43 = 22,650,745.38/x
  3. Step 3: Cross multiply
    80,958,735.79x = 121,409,689.43 × 22,650,745.38
  4. Step 4: Simplify right side
    80,958,735.79x = 2,750,019,962,164,429
  5. Step 5: Solve for x
    x = 2,750,019,962,164,429/80,958,735.79
  6. Step 6: Final answer
    x = 33,968,168.29

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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.