Home / 201,796,137.36-278,478,667.98-108,976,640.04

Finding the Fourth Proportional to 201,796,137.36, 278,478,667.98 and 108,976,640.04

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Solution

The fourth proportional to 201,796,137.36, 278,478,667.98 and 108,976,640.04 is: 150,387,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,796,137.36 : 278,478,667.98 = 108,976,640.04 : x
  2. Step 2: Convert to fraction form
    201,796,137.36/278,478,667.98 = 108,976,640.04/x
  3. Step 3: Cross multiply
    201,796,137.36x = 278,478,667.98 × 108,976,640.04
  4. Step 4: Simplify right side
    201,796,137.36x = 30,347,669,559,275,136
  5. Step 5: Solve for x
    x = 30,347,669,559,275,136/201,796,137.36
  6. Step 6: Final answer
    x = 150,387,762.40

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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.