Home / 86,481,206.55-119,344,063.23-47,322,981.81

Finding the Fourth Proportional to 86,481,206.55, 119,344,063.23 and 47,322,981.81

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Solution

The fourth proportional to 86,481,206.55, 119,344,063.23 and 47,322,981.81 is: 65,305,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481,206.55 : 119,344,063.23 = 47,322,981.81 : x
  2. Step 2: Convert to fraction form
    86,481,206.55/119,344,063.23 = 47,322,981.81/x
  3. Step 3: Cross multiply
    86,481,206.55x = 119,344,063.23 × 47,322,981.81
  4. Step 4: Simplify right side
    86,481,206.55x = 5,647,716,933,364,780
  5. Step 5: Solve for x
    x = 5,647,716,933,364,780/86,481,206.55
  6. Step 6: Final answer
    x = 65,305,713.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.