Home / 204,967,400.96-307,450,855.10-66,792,790.17

Finding the Fourth Proportional to 204,967,400.96, 307,450,855.10 and 66,792,790.17

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Solution

The fourth proportional to 204,967,400.96, 307,450,855.10 and 66,792,790.17 is: 100,189,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,967,400.96 : 307,450,855.10 = 66,792,790.17 : x
  2. Step 2: Convert to fraction form
    204,967,400.96/307,450,855.10 = 66,792,790.17/x
  3. Step 3: Cross multiply
    204,967,400.96x = 307,450,855.10 × 66,792,790.17
  4. Step 4: Simplify right side
    204,967,400.96x = 20,535,500,452,448,360
  5. Step 5: Solve for x
    x = 20,535,500,452,448,360/204,967,400.96
  6. Step 6: Final answer
    x = 100,189,104.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.