Home / 209,151,401.60-313,727,102.40-186,193,150.40

Finding the Fourth Proportional to 209,151,401.60, 313,727,102.40 and 186,193,150.40

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Solution

The fourth proportional to 209,151,401.60, 313,727,102.40 and 186,193,150.40 is: 279,289,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,151,401.60 : 313,727,102.40 = 186,193,150.40 : x
  2. Step 2: Convert to fraction form
    209,151,401.60/313,727,102.40 = 186,193,150.40/x
  3. Step 3: Cross multiply
    209,151,401.60x = 313,727,102.40 × 186,193,150.40
  4. Step 4: Simplify right side
    209,151,401.60x = 58,413,837,561,719,400
  5. Step 5: Solve for x
    x = 58,413,837,561,719,400/209,151,401.60
  6. Step 6: Final answer
    x = 279,289,725.60

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1.5x scale

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.