Home / 131,492,433.27-196,845,425.07-79,519,745.49

Finding the Fourth Proportional to 131,492,433.27, 196,845,425.07 and 79,519,745.49

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Solution

The fourth proportional to 131,492,433.27, 196,845,425.07 and 79,519,745.49 is: 119,041,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,492,433.27 : 196,845,425.07 = 79,519,745.49 : x
  2. Step 2: Convert to fraction form
    131,492,433.27/196,845,425.07 = 79,519,745.49/x
  3. Step 3: Cross multiply
    131,492,433.27x = 196,845,425.07 × 79,519,745.49
  4. Step 4: Simplify right side
    131,492,433.27x = 15,653,098,102,437,264
  5. Step 5: Solve for x
    x = 15,653,098,102,437,264/131,492,433.27
  6. Step 6: Final answer
    x = 119,041,816.42

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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.