Home / 201,852,571.38-278,556,660.90-109,033,080

Finding the Fourth Proportional to 201,852,571.38, 278,556,660.90 and 109,033,080

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Solution

The fourth proportional to 201,852,571.38, 278,556,660.90 and 109,033,080 is: 150,465,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,571.38 : 278,556,660.90 = 109,033,080 : x
  2. Step 2: Convert to fraction form
    201,852,571.38/278,556,660.90 = 109,033,080/x
  3. Step 3: Cross multiply
    201,852,571.38x = 278,556,660.90 × 109,033,080
  4. Step 4: Simplify right side
    201,852,571.38x = 30,371,890,692,442,568
  5. Step 5: Solve for x
    x = 30,371,890,692,442,568/201,852,571.38
  6. Step 6: Final answer
    x = 150,465,711.11

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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.