Home / 268,890,147.70-403,335,221.55-266,339,230.90

Finding the Fourth Proportional to 268,890,147.70, 403,335,221.55 and 266,339,230.90

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Solution

The fourth proportional to 268,890,147.70, 403,335,221.55 and 266,339,230.90 is: 399,508,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,890,147.70 : 403,335,221.55 = 266,339,230.90 : x
  2. Step 2: Convert to fraction form
    268,890,147.70/403,335,221.55 = 266,339,230.90/x
  3. Step 3: Cross multiply
    268,890,147.70x = 403,335,221.55 × 266,339,230.90
  4. Step 4: Simplify right side
    268,890,147.70x = 107,423,992,702,508,112
  5. Step 5: Solve for x
    x = 107,423,992,702,508,112/268,890,147.70
  6. Step 6: Final answer
    x = 399,508,846.35

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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.