Home / 126,288,904.50-189,433,356.89-30,550,792.50

Finding the Fourth Proportional to 126,288,904.50, 189,433,356.89 and 30,550,792.50

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Solution

The fourth proportional to 126,288,904.50, 189,433,356.89 and 30,550,792.50 is: 45,826,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288,904.50 : 189,433,356.89 = 30,550,792.50 : x
  2. Step 2: Convert to fraction form
    126,288,904.50/189,433,356.89 = 30,550,792.50/x
  3. Step 3: Cross multiply
    126,288,904.50x = 189,433,356.89 × 30,550,792.50
  4. Step 4: Simplify right side
    126,288,904.50x = 5,787,339,178,772,081
  5. Step 5: Solve for x
    x = 5,787,339,178,772,081/126,288,904.50
  6. Step 6: Final answer
    x = 45,826,188.78

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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.