Home / 217,248,897.40-325,873,346.10-189,188,812.60

Finding the Fourth Proportional to 217,248,897.40, 325,873,346.10 and 189,188,812.60

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Solution

The fourth proportional to 217,248,897.40, 325,873,346.10 and 189,188,812.60 is: 283,783,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,248,897.40 : 325,873,346.10 = 189,188,812.60 : x
  2. Step 2: Convert to fraction form
    217,248,897.40/325,873,346.10 = 189,188,812.60/x
  3. Step 3: Cross multiply
    217,248,897.40x = 325,873,346.10 × 189,188,812.60
  4. Step 4: Simplify right side
    217,248,897.40x = 61,651,591,406,647,840
  5. Step 5: Solve for x
    x = 61,651,591,406,647,840/217,248,897.40
  6. Step 6: Final answer
    x = 283,783,218.90

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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.