Home / 274,967,715.78-379,462,639.32-149,527,248.24

Finding the Fourth Proportional to 274,967,715.78, 379,462,639.32 and 149,527,248.24

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Solution

The fourth proportional to 274,967,715.78, 379,462,639.32 and 149,527,248.24 is: 206,351,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,967,715.78 : 379,462,639.32 = 149,527,248.24 : x
  2. Step 2: Convert to fraction form
    274,967,715.78/379,462,639.32 = 149,527,248.24/x
  3. Step 3: Cross multiply
    274,967,715.78x = 379,462,639.32 × 149,527,248.24
  4. Step 4: Simplify right side
    274,967,715.78x = 56,740,004,267,407,224
  5. Step 5: Solve for x
    x = 56,740,004,267,407,224/274,967,715.78
  6. Step 6: Final answer
    x = 206,351,513.33

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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.