Home / 111,322,065.14-166,988,346.52-91,855,184.48

Finding the Fourth Proportional to 111,322,065.14, 166,988,346.52 and 91,855,184.48

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Solution

The fourth proportional to 111,322,065.14, 166,988,346.52 and 91,855,184.48 is: 137,787,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,322,065.14 : 166,988,346.52 = 91,855,184.48 : x
  2. Step 2: Convert to fraction form
    111,322,065.14/166,988,346.52 = 91,855,184.48/x
  3. Step 3: Cross multiply
    111,322,065.14x = 166,988,346.52 × 91,855,184.48
  4. Step 4: Simplify right side
    111,322,065.14x = 15,338,745,375,604,768
  5. Step 5: Solve for x
    x = 15,338,745,375,604,768/111,322,065.14
  6. Step 6: Final answer
    x = 137,787,107.67

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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.