Home / 199,286,811.60-298,930,217.40-131,206,376.40

Finding the Fourth Proportional to 199,286,811.60, 298,930,217.40 and 131,206,376.40

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Solution

The fourth proportional to 199,286,811.60, 298,930,217.40 and 131,206,376.40 is: 196,809,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,811.60 : 298,930,217.40 = 131,206,376.40 : x
  2. Step 2: Convert to fraction form
    199,286,811.60/298,930,217.40 = 131,206,376.40/x
  3. Step 3: Cross multiply
    199,286,811.60x = 298,930,217.40 × 131,206,376.40
  4. Step 4: Simplify right side
    199,286,811.60x = 39,221,550,621,518,232
  5. Step 5: Solve for x
    x = 39,221,550,621,518,232/199,286,811.60
  6. Step 6: Final answer
    x = 196,809,564.60

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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.