Home / 131,328,093.70-196,992,140.55-82,955,152.90

Finding the Fourth Proportional to 131,328,093.70, 196,992,140.55 and 82,955,152.90

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Solution

The fourth proportional to 131,328,093.70, 196,992,140.55 and 82,955,152.90 is: 124,432,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,093.70 : 196,992,140.55 = 82,955,152.90 : x
  2. Step 2: Convert to fraction form
    131,328,093.70/196,992,140.55 = 82,955,152.90/x
  3. Step 3: Cross multiply
    131,328,093.70x = 196,992,140.55 × 82,955,152.90
  4. Step 4: Simplify right side
    131,328,093.70x = 16,341,513,139,423,542
  5. Step 5: Solve for x
    x = 16,341,513,139,423,542/131,328,093.70
  6. Step 6: Final answer
    x = 124,432,729.35

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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.