Home / 209,456,401.15-313,969,025.49-92,926,635.94

Finding the Fourth Proportional to 209,456,401.15, 313,969,025.49 and 92,926,635.94

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Solution

The fourth proportional to 209,456,401.15, 313,969,025.49 and 92,926,635.94 is: 139,294,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,456,401.15 : 313,969,025.49 = 92,926,635.94 : x
  2. Step 2: Convert to fraction form
    209,456,401.15/313,969,025.49 = 92,926,635.94/x
  3. Step 3: Cross multiply
    209,456,401.15x = 313,969,025.49 × 92,926,635.94
  4. Step 4: Simplify right side
    209,456,401.15x = 29,176,085,328,145,812
  5. Step 5: Solve for x
    x = 29,176,085,328,145,812/209,456,401.15
  6. Step 6: Final answer
    x = 139,294,312.17

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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.