Home / 126,159,518.44-189,238,016.08-39,897,939.88

Finding the Fourth Proportional to 126,159,518.44, 189,238,016.08 and 39,897,939.88

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Solution

The fourth proportional to 126,159,518.44, 189,238,016.08 and 39,897,939.88 is: 59,846,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,518.44 : 189,238,016.08 = 39,897,939.88 : x
  2. Step 2: Convert to fraction form
    126,159,518.44/189,238,016.08 = 39,897,939.88/x
  3. Step 3: Cross multiply
    126,159,518.44x = 189,238,016.08 × 39,897,939.88
  4. Step 4: Simplify right side
    126,159,518.44x = 7,550,206,988,570,314
  5. Step 5: Solve for x
    x = 7,550,206,988,570,314/126,159,518.44
  6. Step 6: Final answer
    x = 59,846,510.85

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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.