Home / 68,147,901.12-102,223,926.96-26,647,120.32

Finding the Fourth Proportional to 68,147,901.12, 102,223,926.96 and 26,647,120.32

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Solution

The fourth proportional to 68,147,901.12, 102,223,926.96 and 26,647,120.32 is: 39,971,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,147,901.12 : 102,223,926.96 = 26,647,120.32 : x
  2. Step 2: Convert to fraction form
    68,147,901.12/102,223,926.96 = 26,647,120.32/x
  3. Step 3: Cross multiply
    68,147,901.12x = 102,223,926.96 × 26,647,120.32
  4. Step 4: Simplify right side
    68,147,901.12x = 2,723,973,281,286,011.50
  5. Step 5: Solve for x
    x = 2,723,973,281,286,011.50/68,147,901.12
  6. Step 6: Final answer
    x = 39,971,491.95

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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.