Home / 162,384,992.40-243,577,488.60-131,773,990.80

Finding the Fourth Proportional to 162,384,992.40, 243,577,488.60 and 131,773,990.80

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Solution

The fourth proportional to 162,384,992.40, 243,577,488.60 and 131,773,990.80 is: 197,660,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384,992.40 : 243,577,488.60 = 131,773,990.80 : x
  2. Step 2: Convert to fraction form
    162,384,992.40/243,577,488.60 = 131,773,990.80/x
  3. Step 3: Cross multiply
    162,384,992.40x = 243,577,488.60 × 131,773,990.80
  4. Step 4: Simplify right side
    162,384,992.40x = 32,097,177,741,863,504
  5. Step 5: Solve for x
    x = 32,097,177,741,863,504/162,384,992.40
  6. Step 6: Final answer
    x = 197,660,986.20

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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.