Home / 209,808,003.80-314,995,440.90-133,280,499.80

Finding the Fourth Proportional to 209,808,003.80, 314,995,440.90 and 133,280,499.80

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Solution

The fourth proportional to 209,808,003.80, 314,995,440.90 and 133,280,499.80 is: 200,100,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,808,003.80 : 314,995,440.90 = 133,280,499.80 : x
  2. Step 2: Convert to fraction form
    209,808,003.80/314,995,440.90 = 133,280,499.80/x
  3. Step 3: Cross multiply
    209,808,003.80x = 314,995,440.90 × 133,280,499.80
  4. Step 4: Simplify right side
    209,808,003.80x = 41,982,749,797,873,360
  5. Step 5: Solve for x
    x = 41,982,749,797,873,360/209,808,003.80
  6. Step 6: Final answer
    x = 200,100,801.86

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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.