Home / 143,859,152.64-198,525,257.24-80,278,825.16

Finding the Fourth Proportional to 143,859,152.64, 198,525,257.24 and 80,278,825.16

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Solution

The fourth proportional to 143,859,152.64, 198,525,257.24 and 80,278,825.16 is: 110,784,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,859,152.64 : 198,525,257.24 = 80,278,825.16 : x
  2. Step 2: Convert to fraction form
    143,859,152.64/198,525,257.24 = 80,278,825.16/x
  3. Step 3: Cross multiply
    143,859,152.64x = 198,525,257.24 × 80,278,825.16
  4. Step 4: Simplify right side
    143,859,152.64x = 15,937,374,414,419,966
  5. Step 5: Solve for x
    x = 15,937,374,414,419,966/143,859,152.64
  6. Step 6: Final answer
    x = 110,784,570.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.