Home / 84,216,581.12-116,170,371.84-50,702,728.96

Finding the Fourth Proportional to 84,216,581.12, 116,170,371.84 and 50,702,728.96

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Solution

The fourth proportional to 84,216,581.12, 116,170,371.84 and 50,702,728.96 is: 69,940,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,216,581.12 : 116,170,371.84 = 50,702,728.96 : x
  2. Step 2: Convert to fraction form
    84,216,581.12/116,170,371.84 = 50,702,728.96/x
  3. Step 3: Cross multiply
    84,216,581.12x = 116,170,371.84 × 50,702,728.96
  4. Step 4: Simplify right side
    84,216,581.12x = 5,890,154,876,585,937
  5. Step 5: Solve for x
    x = 5,890,154,876,585,937/84,216,581.12
  6. Step 6: Final answer
    x = 69,940,560.38

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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.