Home / 197,873,466.88-296,812,111.92-75,018,745.12

Finding the Fourth Proportional to 197,873,466.88, 296,812,111.92 and 75,018,745.12

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Solution

The fourth proportional to 197,873,466.88, 296,812,111.92 and 75,018,745.12 is: 112,528,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,873,466.88 : 296,812,111.92 = 75,018,745.12 : x
  2. Step 2: Convert to fraction form
    197,873,466.88/296,812,111.92 = 75,018,745.12/x
  3. Step 3: Cross multiply
    197,873,466.88x = 296,812,111.92 × 75,018,745.12
  4. Step 4: Simplify right side
    197,873,466.88x = 22,266,472,172,655,396
  5. Step 5: Solve for x
    x = 22,266,472,172,655,396/197,873,466.88
  6. Step 6: Final answer
    x = 112,528,842.42

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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.