Home / 216,515,042.80-324,772,564.20-101,723,786.80

Finding the Fourth Proportional to 216,515,042.80, 324,772,564.20 and 101,723,786.80

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Solution

The fourth proportional to 216,515,042.80, 324,772,564.20 and 101,723,786.80 is: 152,585,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,515,042.80 : 324,772,564.20 = 101,723,786.80 : x
  2. Step 2: Convert to fraction form
    216,515,042.80/324,772,564.20 = 101,723,786.80/x
  3. Step 3: Cross multiply
    216,515,042.80x = 324,772,564.20 × 101,723,786.80
  4. Step 4: Simplify right side
    216,515,042.80x = 33,037,095,079,170,112
  5. Step 5: Solve for x
    x = 33,037,095,079,170,112/216,515,042.80
  6. Step 6: Final answer
    x = 152,585,680.20

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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.