Home / 126,486,907.07-189,749,236.84-40,228,127.87

Finding the Fourth Proportional to 126,486,907.07, 189,749,236.84 and 40,228,127.87

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Solution

The fourth proportional to 126,486,907.07, 189,749,236.84 and 40,228,127.87 is: 60,348,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,486,907.07 : 189,749,236.84 = 40,228,127.87 : x
  2. Step 2: Convert to fraction form
    126,486,907.07/189,749,236.84 = 40,228,127.87/x
  3. Step 3: Cross multiply
    126,486,907.07x = 189,749,236.84 × 40,228,127.87
  4. Step 4: Simplify right side
    126,486,907.07x = 7,633,256,561,785,119
  5. Step 5: Solve for x
    x = 7,633,256,561,785,119/126,486,907.07
  6. Step 6: Final answer
    x = 60,348,195.23

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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.