Home / 102,568,309.20-153,852,463.80-30,764,725.20

Finding the Fourth Proportional to 102,568,309.20, 153,852,463.80 and 30,764,725.20

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Solution

The fourth proportional to 102,568,309.20, 153,852,463.80 and 30,764,725.20 is: 46,147,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,568,309.20 : 153,852,463.80 = 30,764,725.20 : x
  2. Step 2: Convert to fraction form
    102,568,309.20/153,852,463.80 = 30,764,725.20/x
  3. Step 3: Cross multiply
    102,568,309.20x = 153,852,463.80 × 30,764,725.20
  4. Step 4: Simplify right side
    102,568,309.20x = 4,733,228,770,149,948
  5. Step 5: Solve for x
    x = 4,733,228,770,149,948/102,568,309.20
  6. Step 6: Final answer
    x = 46,147,087.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.