Home / 127,695,039.80-191,542,562.21-30,650,747.38

Finding the Fourth Proportional to 127,695,039.80, 191,542,562.21 and 30,650,747.38

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Solution

The fourth proportional to 127,695,039.80, 191,542,562.21 and 30,650,747.38 is: 45,976,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,695,039.80 : 191,542,562.21 = 30,650,747.38 : x
  2. Step 2: Convert to fraction form
    127,695,039.80/191,542,562.21 = 30,650,747.38/x
  3. Step 3: Cross multiply
    127,695,039.80x = 191,542,562.21 × 30,650,747.38
  4. Step 4: Simplify right side
    127,695,039.80x = 5,870,922,686,816,645
  5. Step 5: Solve for x
    x = 5,870,922,686,816,645/127,695,039.80
  6. Step 6: Final answer
    x = 45,976,121.67

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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.