Home / 209,952,405.60-314,928,608.40-193,324,207.20

Finding the Fourth Proportional to 209,952,405.60, 314,928,608.40 and 193,324,207.20

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Solution

The fourth proportional to 209,952,405.60, 314,928,608.40 and 193,324,207.20 is: 289,986,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,405.60 : 314,928,608.40 = 193,324,207.20 : x
  2. Step 2: Convert to fraction form
    209,952,405.60/314,928,608.40 = 193,324,207.20/x
  3. Step 3: Cross multiply
    209,952,405.60x = 314,928,608.40 × 193,324,207.20
  4. Step 4: Simplify right side
    209,952,405.60x = 60,883,323,543,529,256
  5. Step 5: Solve for x
    x = 60,883,323,543,529,256/209,952,405.60
  6. Step 6: Final answer
    x = 289,986,310.80

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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.