Home / 217,728,345.90-326,620,512.45-108,609,293.10

Finding the Fourth Proportional to 217,728,345.90, 326,620,512.45 and 108,609,293.10

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Solution

The fourth proportional to 217,728,345.90, 326,620,512.45 and 108,609,293.10 is: 162,927,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,728,345.90 : 326,620,512.45 = 108,609,293.10 : x
  2. Step 2: Convert to fraction form
    217,728,345.90/326,620,512.45 = 108,609,293.10/x
  3. Step 3: Cross multiply
    217,728,345.90x = 326,620,512.45 × 108,609,293.10
  4. Step 4: Simplify right side
    217,728,345.90x = 35,474,022,969,154,244
  5. Step 5: Solve for x
    x = 35,474,022,969,154,244/217,728,345.90
  6. Step 6: Final answer
    x = 162,927,903.68

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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.