Home / 68,332,908.42-102,525,052.03-40,682,780.57

Finding the Fourth Proportional to 68,332,908.42, 102,525,052.03 and 40,682,780.57

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Solution

The fourth proportional to 68,332,908.42, 102,525,052.03 and 40,682,780.57 is: 61,039,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,332,908.42 : 102,525,052.03 = 40,682,780.57 : x
  2. Step 2: Convert to fraction form
    68,332,908.42/102,525,052.03 = 40,682,780.57/x
  3. Step 3: Cross multiply
    68,332,908.42x = 102,525,052.03 × 40,682,780.57
  4. Step 4: Simplify right side
    68,332,908.42x = 4,171,004,194,818,928.50
  5. Step 5: Solve for x
    x = 4,171,004,194,818,928.50/68,332,908.42
  6. Step 6: Final answer
    x = 61,039,465.34

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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.