Home / 69,921,960.62-96,461,694.61-66,680,170.50

Finding the Fourth Proportional to 69,921,960.62, 96,461,694.61 and 66,680,170.50

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Solution

The fourth proportional to 69,921,960.62, 96,461,694.61 and 66,680,170.50 is: 91,989,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921,960.62 : 96,461,694.61 = 66,680,170.50 : x
  2. Step 2: Convert to fraction form
    69,921,960.62/96,461,694.61 = 66,680,170.50/x
  3. Step 3: Cross multiply
    69,921,960.62x = 96,461,694.61 × 66,680,170.50
  4. Step 4: Simplify right side
    69,921,960.62x = 6,432,082,243,313,731
  5. Step 5: Solve for x
    x = 6,432,082,243,313,731/69,921,960.62
  6. Step 6: Final answer
    x = 91,989,443.46

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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.