Home / 79,135,612.86-109,213,204.14-49,792,098.06

Finding the Fourth Proportional to 79,135,612.86, 109,213,204.14 and 49,792,098.06

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Solution

The fourth proportional to 79,135,612.86, 109,213,204.14 and 49,792,098.06 is: 68,716,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,135,612.86 : 109,213,204.14 = 49,792,098.06 : x
  2. Step 2: Convert to fraction form
    79,135,612.86/109,213,204.14 = 49,792,098.06/x
  3. Step 3: Cross multiply
    79,135,612.86x = 109,213,204.14 × 49,792,098.06
  4. Step 4: Simplify right side
    79,135,612.86x = 5,437,954,569,985,678
  5. Step 5: Solve for x
    x = 5,437,954,569,985,678/79,135,612.86
  6. Step 6: Final answer
    x = 68,716,907.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.