Home / 217,074,723.36-325,662,454.20-71,503,065.60

Finding the Fourth Proportional to 217,074,723.36, 325,662,454.20 and 71,503,065.60

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Solution

The fourth proportional to 217,074,723.36, 325,662,454.20 and 71,503,065.60 is: 107,271,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,074,723.36 : 325,662,454.20 = 71,503,065.60 : x
  2. Step 2: Convert to fraction form
    217,074,723.36/325,662,454.20 = 71,503,065.60/x
  3. Step 3: Cross multiply
    217,074,723.36x = 325,662,454.20 × 71,503,065.60
  4. Step 4: Simplify right side
    217,074,723.36x = 23,285,863,826,119,592
  5. Step 5: Solve for x
    x = 23,285,863,826,119,592/217,074,723.36
  6. Step 6: Final answer
    x = 107,271,189.69

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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.