Home / 201,794,912.04-278,476,975.85-108,975,417.15

Finding the Fourth Proportional to 201,794,912.04, 278,476,975.85 and 108,975,417.15

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Solution

The fourth proportional to 201,794,912.04, 278,476,975.85 and 108,975,417.15 is: 150,386,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794,912.04 : 278,476,975.85 = 108,975,417.15 : x
  2. Step 2: Convert to fraction form
    201,794,912.04/278,476,975.85 = 108,975,417.15/x
  3. Step 3: Cross multiply
    201,794,912.04x = 278,476,975.85 × 108,975,417.15
  4. Step 4: Simplify right side
    201,794,912.04x = 30,347,144,609,379,352
  5. Step 5: Solve for x
    x = 30,347,144,609,379,352/201,794,912.04
  6. Step 6: Final answer
    x = 150,386,074.17

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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.