Home / 126,262,028.98-189,400,391.61-35,392,703.86

Finding the Fourth Proportional to 126,262,028.98, 189,400,391.61 and 35,392,703.86

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Solution

The fourth proportional to 126,262,028.98, 189,400,391.61 and 35,392,703.86 is: 53,091,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,262,028.98 : 189,400,391.61 = 35,392,703.86 : x
  2. Step 2: Convert to fraction form
    126,262,028.98/189,400,391.61 = 35,392,703.86/x
  3. Step 3: Cross multiply
    126,262,028.98x = 189,400,391.61 × 35,392,703.86
  4. Step 4: Simplify right side
    126,262,028.98x = 6,703,391,971,220,759
  5. Step 5: Solve for x
    x = 6,703,391,971,220,759/126,262,028.98
  6. Step 6: Final answer
    x = 53,091,115.56

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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.