Home / 126,556,761.21-189,525,571.90-114,288,449.37

Finding the Fourth Proportional to 126,556,761.21, 189,525,571.90 and 114,288,449.37

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Solution

The fourth proportional to 126,556,761.21, 189,525,571.90 and 114,288,449.37 is: 171,153,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,556,761.21 : 189,525,571.90 = 114,288,449.37 : x
  2. Step 2: Convert to fraction form
    126,556,761.21/189,525,571.90 = 114,288,449.37/x
  3. Step 3: Cross multiply
    126,556,761.21x = 189,525,571.90 × 114,288,449.37
  4. Step 4: Simplify right side
    126,556,761.21x = 21,660,583,728,413,448
  5. Step 5: Solve for x
    x = 21,660,583,728,413,448/126,556,761.21
  6. Step 6: Final answer
    x = 171,153,113.60

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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.