Home / 71,016,500.96-98,002,792.32-40,083,223.04

Finding the Fourth Proportional to 71,016,500.96, 98,002,792.32 and 40,083,223.04

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Solution

The fourth proportional to 71,016,500.96, 98,002,792.32 and 40,083,223.04 is: 55,314,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,500.96 : 98,002,792.32 = 40,083,223.04 : x
  2. Step 2: Convert to fraction form
    71,016,500.96/98,002,792.32 = 40,083,223.04/x
  3. Step 3: Cross multiply
    71,016,500.96x = 98,002,792.32 × 40,083,223.04
  4. Step 4: Simplify right side
    71,016,500.96x = 3,928,267,783,105,358.50
  5. Step 5: Solve for x
    x = 3,928,267,783,105,358.50/71,016,500.96
  6. Step 6: Final answer
    x = 55,314,859.65

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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.