Home / 66,318,326-99,367,513.68-40,332,025.88

Finding the Fourth Proportional to 66,318,326, 99,367,513.68 and 40,332,025.88

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Solution

The fourth proportional to 66,318,326, 99,367,513.68 and 40,332,025.88 is: 60,431,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318,326 : 99,367,513.68 = 40,332,025.88 : x
  2. Step 2: Convert to fraction form
    66,318,326/99,367,513.68 = 40,332,025.88/x
  3. Step 3: Cross multiply
    66,318,326x = 99,367,513.68 × 40,332,025.88
  4. Step 4: Simplify right side
    66,318,326x = 4,007,693,133,373,014.50
  5. Step 5: Solve for x
    x = 4,007,693,133,373,014.50/66,318,326
  6. Step 6: Final answer
    x = 60,431,156.44

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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.