Home / 217,510,230.80-326,265,346.20-131,513,891.60

Finding the Fourth Proportional to 217,510,230.80, 326,265,346.20 and 131,513,891.60

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Solution

The fourth proportional to 217,510,230.80, 326,265,346.20 and 131,513,891.60 is: 197,270,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,510,230.80 : 326,265,346.20 = 131,513,891.60 : x
  2. Step 2: Convert to fraction form
    217,510,230.80/326,265,346.20 = 131,513,891.60/x
  3. Step 3: Cross multiply
    217,510,230.80x = 326,265,346.20 × 131,513,891.60
  4. Step 4: Simplify right side
    217,510,230.80x = 42,908,425,372,983,272
  5. Step 5: Solve for x
    x = 42,908,425,372,983,272/217,510,230.80
  6. Step 6: Final answer
    x = 197,270,837.40

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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.