Home / 131,328,162.60-196,992,243.90-40,439,941.80

Finding the Fourth Proportional to 131,328,162.60, 196,992,243.90 and 40,439,941.80

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Solution

The fourth proportional to 131,328,162.60, 196,992,243.90 and 40,439,941.80 is: 60,659,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,162.60 : 196,992,243.90 = 40,439,941.80 : x
  2. Step 2: Convert to fraction form
    131,328,162.60/196,992,243.90 = 40,439,941.80/x
  3. Step 3: Cross multiply
    131,328,162.60x = 196,992,243.90 × 40,439,941.80
  4. Step 4: Simplify right side
    131,328,162.60x = 7,966,354,878,367,405
  5. Step 5: Solve for x
    x = 7,966,354,878,367,405/131,328,162.60
  6. Step 6: Final answer
    x = 60,659,912.70

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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.