Home / 343,741,949.09-515,649,822.28-147,025,792.56

Finding the Fourth Proportional to 343,741,949.09, 515,649,822.28 and 147,025,792.56

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Solution

The fourth proportional to 343,741,949.09, 515,649,822.28 and 147,025,792.56 is: 220,554,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,741,949.09 : 515,649,822.28 = 147,025,792.56 : x
  2. Step 2: Convert to fraction form
    343,741,949.09/515,649,822.28 = 147,025,792.56/x
  3. Step 3: Cross multiply
    343,741,949.09x = 515,649,822.28 × 147,025,792.56
  4. Step 4: Simplify right side
    343,741,949.09x = 75,813,823,804,047,520
  5. Step 5: Solve for x
    x = 75,813,823,804,047,520/343,741,949.09
  6. Step 6: Final answer
    x = 220,554,471.18

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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.