Home / 209,628,195.30-314,725,728.15-133,100,691.30

Finding the Fourth Proportional to 209,628,195.30, 314,725,728.15 and 133,100,691.30

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Solution

The fourth proportional to 209,628,195.30, 314,725,728.15 and 133,100,691.30 is: 199,831,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,628,195.30 : 314,725,728.15 = 133,100,691.30 : x
  2. Step 2: Convert to fraction form
    209,628,195.30/314,725,728.15 = 133,100,691.30/x
  3. Step 3: Cross multiply
    209,628,195.30x = 314,725,728.15 × 133,100,691.30
  4. Step 4: Simplify right side
    209,628,195.30x = 41,890,211,986,660,864
  5. Step 5: Solve for x
    x = 41,890,211,986,660,864/209,628,195.30
  6. Step 6: Final answer
    x = 199,831,000.44

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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.