Home / 368,616,851.05-508,691,234.89-199,071,074.53

Finding the Fourth Proportional to 368,616,851.05, 508,691,234.89 and 199,071,074.53

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Solution

The fourth proportional to 368,616,851.05, 508,691,234.89 and 199,071,074.53 is: 274,718,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,616,851.05 : 508,691,234.89 = 199,071,074.53 : x
  2. Step 2: Convert to fraction form
    368,616,851.05/508,691,234.89 = 199,071,074.53/x
  3. Step 3: Cross multiply
    368,616,851.05x = 508,691,234.89 × 199,071,074.53
  4. Step 4: Simplify right side
    368,616,851.05x = 101,265,710,733,544,928
  5. Step 5: Solve for x
    x = 101,265,710,733,544,928/368,616,851.05
  6. Step 6: Final answer
    x = 274,718,072.29

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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.