Home / 201,795,206.80-278,477,382.83-108,975,706.44

Finding the Fourth Proportional to 201,795,206.80, 278,477,382.83 and 108,975,706.44

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Solution

The fourth proportional to 201,795,206.80, 278,477,382.83 and 108,975,706.44 is: 150,386,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,206.80 : 278,477,382.83 = 108,975,706.44 : x
  2. Step 2: Convert to fraction form
    201,795,206.80/278,477,382.83 = 108,975,706.44/x
  3. Step 3: Cross multiply
    201,795,206.80x = 278,477,382.83 × 108,975,706.44
  4. Step 4: Simplify right side
    201,795,206.80x = 30,347,269,521,461,572
  5. Step 5: Solve for x
    x = 30,347,269,521,461,572/201,795,206.80
  6. Step 6: Final answer
    x = 150,386,473.51

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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.