Home / 209,952,760.20-314,929,140.30-133,362,270.60

Finding the Fourth Proportional to 209,952,760.20, 314,929,140.30 and 133,362,270.60

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Solution

The fourth proportional to 209,952,760.20, 314,929,140.30 and 133,362,270.60 is: 200,043,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,760.20 : 314,929,140.30 = 133,362,270.60 : x
  2. Step 2: Convert to fraction form
    209,952,760.20/314,929,140.30 = 133,362,270.60/x
  3. Step 3: Cross multiply
    209,952,760.20x = 314,929,140.30 × 133,362,270.60
  4. Step 4: Simplify right side
    209,952,760.20x = 41,999,665,228,513,968
  5. Step 5: Solve for x
    x = 41,999,665,228,513,968/209,952,760.20
  6. Step 6: Final answer
    x = 200,043,405.90

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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.