Home / 129,040,010.40-193,560,015.60-117,096,074.40

Finding the Fourth Proportional to 129,040,010.40, 193,560,015.60 and 117,096,074.40

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Solution

The fourth proportional to 129,040,010.40, 193,560,015.60 and 117,096,074.40 is: 175,644,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,040,010.40 : 193,560,015.60 = 117,096,074.40 : x
  2. Step 2: Convert to fraction form
    129,040,010.40/193,560,015.60 = 117,096,074.40/x
  3. Step 3: Cross multiply
    129,040,010.40x = 193,560,015.60 × 117,096,074.40
  4. Step 4: Simplify right side
    129,040,010.40x = 22,665,117,987,562,760
  5. Step 5: Solve for x
    x = 22,665,117,987,562,760/129,040,010.40
  6. Step 6: Final answer
    x = 175,644,111.60

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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.