Home / 274,967,709.81-379,462,631.22-149,527,242.30

Finding the Fourth Proportional to 274,967,709.81, 379,462,631.22 and 149,527,242.30

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Solution

The fourth proportional to 274,967,709.81, 379,462,631.22 and 149,527,242.30 is: 206,351,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,967,709.81 : 379,462,631.22 = 149,527,242.30 : x
  2. Step 2: Convert to fraction form
    274,967,709.81/379,462,631.22 = 149,527,242.30/x
  3. Step 3: Cross multiply
    274,967,709.81x = 379,462,631.22 × 149,527,242.30
  4. Step 4: Simplify right side
    274,967,709.81x = 56,740,000,802,228,496
  5. Step 5: Solve for x
    x = 56,740,000,802,228,496/274,967,709.81
  6. Step 6: Final answer
    x = 206,351,505.21

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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.