Home / 209,113,812.60-313,670,718.90-192,392,302.20

Finding the Fourth Proportional to 209,113,812.60, 313,670,718.90 and 192,392,302.20

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Solution

The fourth proportional to 209,113,812.60, 313,670,718.90 and 192,392,302.20 is: 288,588,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,113,812.60 : 313,670,718.90 = 192,392,302.20 : x
  2. Step 2: Convert to fraction form
    209,113,812.60/313,670,718.90 = 192,392,302.20/x
  3. Step 3: Cross multiply
    209,113,812.60x = 313,670,718.90 × 192,392,302.20
  4. Step 4: Simplify right side
    209,113,812.60x = 60,347,831,741,900,040
  5. Step 5: Solve for x
    x = 60,347,831,741,900,040/209,113,812.60
  6. Step 6: Final answer
    x = 288,588,453.30

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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.