Home / 70,524,992.38-97,322,603.24-39,162,223.20

Finding the Fourth Proportional to 70,524,992.38, 97,322,603.24 and 39,162,223.20

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Solution

The fourth proportional to 70,524,992.38, 97,322,603.24 and 39,162,223.20 is: 54,042,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524,992.38 : 97,322,603.24 = 39,162,223.20 : x
  2. Step 2: Convert to fraction form
    70,524,992.38/97,322,603.24 = 39,162,223.20/x
  3. Step 3: Cross multiply
    70,524,992.38x = 97,322,603.24 × 39,162,223.20
  4. Step 4: Simplify right side
    70,524,992.38x = 3,811,369,510,404,333
  5. Step 5: Solve for x
    x = 3,811,369,510,404,333/70,524,992.38
  6. Step 6: Final answer
    x = 54,042,820.59

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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.