Home / 143,859,152.94-198,525,257.65-80,278,825.46

Finding the Fourth Proportional to 143,859,152.94, 198,525,257.65 and 80,278,825.46

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Solution

The fourth proportional to 143,859,152.94, 198,525,257.65 and 80,278,825.46 is: 110,784,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,859,152.94 : 198,525,257.65 = 80,278,825.46 : x
  2. Step 2: Convert to fraction form
    143,859,152.94/198,525,257.65 = 80,278,825.46/x
  3. Step 3: Cross multiply
    143,859,152.94x = 198,525,257.65 × 80,278,825.46
  4. Step 4: Simplify right side
    143,859,152.94x = 15,937,374,507,092,556
  5. Step 5: Solve for x
    x = 15,937,374,507,092,556/143,859,152.94
  6. Step 6: Final answer
    x = 110,784,570.75

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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.