Home / 217,815,808.40-326,723,712.60-168,498,083.60

Finding the Fourth Proportional to 217,815,808.40, 326,723,712.60 and 168,498,083.60

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Solution

The fourth proportional to 217,815,808.40, 326,723,712.60 and 168,498,083.60 is: 252,747,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,815,808.40 : 326,723,712.60 = 168,498,083.60 : x
  2. Step 2: Convert to fraction form
    217,815,808.40/326,723,712.60 = 168,498,083.60/x
  3. Step 3: Cross multiply
    217,815,808.40x = 326,723,712.60 × 168,498,083.60
  4. Step 4: Simplify right side
    217,815,808.40x = 55,052,319,439,777,176
  5. Step 5: Solve for x
    x = 55,052,319,439,777,176/217,815,808.40
  6. Step 6: Final answer
    x = 252,747,125.40

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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.