Home / 209,628,217.80-314,725,761.90-133,100,713.80

Finding the Fourth Proportional to 209,628,217.80, 314,725,761.90 and 133,100,713.80

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Solution

The fourth proportional to 209,628,217.80, 314,725,761.90 and 133,100,713.80 is: 199,831,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,628,217.80 : 314,725,761.90 = 133,100,713.80 : x
  2. Step 2: Convert to fraction form
    209,628,217.80/314,725,761.90 = 133,100,713.80/x
  3. Step 3: Cross multiply
    209,628,217.80x = 314,725,761.90 × 133,100,713.80
  4. Step 4: Simplify right side
    209,628,217.80x = 41,890,223,560,138,840
  5. Step 5: Solve for x
    x = 41,890,223,560,138,840/209,628,217.80
  6. Step 6: Final answer
    x = 199,831,034.20

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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.