Home / 217,609,023.40-326,413,535.10-168,291,298.60

Finding the Fourth Proportional to 217,609,023.40, 326,413,535.10 and 168,291,298.60

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Solution

The fourth proportional to 217,609,023.40, 326,413,535.10 and 168,291,298.60 is: 252,436,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,609,023.40 : 326,413,535.10 = 168,291,298.60 : x
  2. Step 2: Convert to fraction form
    217,609,023.40/326,413,535.10 = 168,291,298.60/x
  3. Step 3: Cross multiply
    217,609,023.40x = 326,413,535.10 × 168,291,298.60
  4. Step 4: Simplify right side
    217,609,023.40x = 54,932,557,702,595,680
  5. Step 5: Solve for x
    x = 54,932,557,702,595,680/217,609,023.40
  6. Step 6: Final answer
    x = 252,436,947.90

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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.