Home / 132,879,007.80-199,318,511.70-131,983,212.60

Finding the Fourth Proportional to 132,879,007.80, 199,318,511.70 and 131,983,212.60

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Solution

The fourth proportional to 132,879,007.80, 199,318,511.70 and 131,983,212.60 is: 197,974,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,879,007.80 : 199,318,511.70 = 131,983,212.60 : x
  2. Step 2: Convert to fraction form
    132,879,007.80/199,318,511.70 = 131,983,212.60/x
  3. Step 3: Cross multiply
    132,879,007.80x = 199,318,511.70 × 131,983,212.60
  4. Step 4: Simplify right side
    132,879,007.80x = 26,306,697,504,816,684
  5. Step 5: Solve for x
    x = 26,306,697,504,816,684/132,879,007.80
  6. Step 6: Final answer
    x = 197,974,818.90

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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.