Home / 274,481,955.48-378,791,680.08-149,039,438.13

Finding the Fourth Proportional to 274,481,955.48, 378,791,680.08 and 149,039,438.13

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Solution

The fourth proportional to 274,481,955.48, 378,791,680.08 and 149,039,438.13 is: 205,677,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,481,955.48 : 378,791,680.08 = 149,039,438.13 : x
  2. Step 2: Convert to fraction form
    274,481,955.48/378,791,680.08 = 149,039,438.13/x
  3. Step 3: Cross multiply
    274,481,955.48x = 378,791,680.08 × 149,039,438.13
  4. Step 4: Simplify right side
    274,481,955.48x = 56,454,899,167,441,912
  5. Step 5: Solve for x
    x = 56,454,899,167,441,912/274,481,955.48
  6. Step 6: Final answer
    x = 205,677,998.28

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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.