Home / 201,795,206.55-278,477,382.50-108,975,706.20

Finding the Fourth Proportional to 201,795,206.55, 278,477,382.50 and 108,975,706.20

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Solution

The fourth proportional to 201,795,206.55, 278,477,382.50 and 108,975,706.20 is: 150,386,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,206.55 : 278,477,382.50 = 108,975,706.20 : x
  2. Step 2: Convert to fraction form
    201,795,206.55/278,477,382.50 = 108,975,706.20/x
  3. Step 3: Cross multiply
    201,795,206.55x = 278,477,382.50 × 108,975,706.20
  4. Step 4: Simplify right side
    201,795,206.55x = 30,347,269,418,120,144
  5. Step 5: Solve for x
    x = 30,347,269,418,120,144/201,795,206.55
  6. Step 6: Final answer
    x = 150,386,473.18

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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.