Home / 76,661,627.81-114,809,121.56-44,215,161.65

Finding the Fourth Proportional to 76,661,627.81, 114,809,121.56 and 44,215,161.65

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Solution

The fourth proportional to 76,661,627.81, 114,809,121.56 and 44,215,161.65 is: 66,217,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,661,627.81 : 114,809,121.56 = 44,215,161.65 : x
  2. Step 2: Convert to fraction form
    76,661,627.81/114,809,121.56 = 44,215,161.65/x
  3. Step 3: Cross multiply
    76,661,627.81x = 114,809,121.56 × 44,215,161.65
  4. Step 4: Simplify right side
    76,661,627.81x = 5,076,303,868,448,825
  5. Step 5: Solve for x
    x = 5,076,303,868,448,825/76,661,627.81
  6. Step 6: Final answer
    x = 66,217,011.21

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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.