Home / 201,852,568.92-278,556,657.24-109,033,077.60

Finding the Fourth Proportional to 201,852,568.92, 278,556,657.24 and 109,033,077.60

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Solution

The fourth proportional to 201,852,568.92, 278,556,657.24 and 109,033,077.60 is: 150,465,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,568.92 : 278,556,657.24 = 109,033,077.60 : x
  2. Step 2: Convert to fraction form
    201,852,568.92/278,556,657.24 = 109,033,077.60/x
  3. Step 3: Cross multiply
    201,852,568.92x = 278,556,657.24 × 109,033,077.60
  4. Step 4: Simplify right side
    201,852,568.92x = 30,371,889,624,845,520
  5. Step 5: Solve for x
    x = 30,371,889,624,845,520/201,852,568.92
  6. Step 6: Final answer
    x = 150,465,707.66

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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.