Home / 274,178,356.44-378,366,104.04-155,098,404.36

Finding the Fourth Proportional to 274,178,356.44, 378,366,104.04 and 155,098,404.36

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Solution

The fourth proportional to 274,178,356.44, 378,366,104.04 and 155,098,404.36 is: 214,035,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,178,356.44 : 378,366,104.04 = 155,098,404.36 : x
  2. Step 2: Convert to fraction form
    274,178,356.44/378,366,104.04 = 155,098,404.36/x
  3. Step 3: Cross multiply
    274,178,356.44x = 378,366,104.04 × 155,098,404.36
  4. Step 4: Simplify right side
    274,178,356.44x = 58,683,979,000,513,760
  5. Step 5: Solve for x
    x = 58,683,979,000,513,760/274,178,356.44
  6. Step 6: Final answer
    x = 214,035,782.26

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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.