Home / 143,859,152.54-198,525,257.11-80,278,825.06

Finding the Fourth Proportional to 143,859,152.54, 198,525,257.11 and 80,278,825.06

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Solution

The fourth proportional to 143,859,152.54, 198,525,257.11 and 80,278,825.06 is: 110,784,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,859,152.54 : 198,525,257.11 = 80,278,825.06 : x
  2. Step 2: Convert to fraction form
    143,859,152.54/198,525,257.11 = 80,278,825.06/x
  3. Step 3: Cross multiply
    143,859,152.54x = 198,525,257.11 × 80,278,825.06
  4. Step 4: Simplify right side
    143,859,152.54x = 15,937,374,385,050,316
  5. Step 5: Solve for x
    x = 15,937,374,385,050,316/143,859,152.54
  6. Step 6: Final answer
    x = 110,784,570.21

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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.