Home / 217,120,808.40-325,681,212.60-96,188,456.40

Finding the Fourth Proportional to 217,120,808.40, 325,681,212.60 and 96,188,456.40

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Solution

The fourth proportional to 217,120,808.40, 325,681,212.60 and 96,188,456.40 is: 144,282,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,120,808.40 : 325,681,212.60 = 96,188,456.40 : x
  2. Step 2: Convert to fraction form
    217,120,808.40/325,681,212.60 = 96,188,456.40/x
  3. Step 3: Cross multiply
    217,120,808.40x = 325,681,212.60 × 96,188,456.40
  4. Step 4: Simplify right side
    217,120,808.40x = 31,326,773,118,474,236
  5. Step 5: Solve for x
    x = 31,326,773,118,474,236/217,120,808.40
  6. Step 6: Final answer
    x = 144,282,684.60

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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.