Home / 217,626,282.40-326,014,270.80-131,107,687.60

Finding the Fourth Proportional to 217,626,282.40, 326,014,270.80 and 131,107,687.60

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Solution

The fourth proportional to 217,626,282.40, 326,014,270.80 and 131,107,687.60 is: 196,405,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,626,282.40 : 326,014,270.80 = 131,107,687.60 : x
  2. Step 2: Convert to fraction form
    217,626,282.40/326,014,270.80 = 131,107,687.60/x
  3. Step 3: Cross multiply
    217,626,282.40x = 326,014,270.80 × 131,107,687.60
  4. Step 4: Simplify right side
    217,626,282.40x = 42,742,977,169,188,200
  5. Step 5: Solve for x
    x = 42,742,977,169,188,200/217,626,282.40
  6. Step 6: Final answer
    x = 196,405,400.57

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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.