Home / 103,858,361.76-143,322,769.92-57,448,577.76

Finding the Fourth Proportional to 103,858,361.76, 143,322,769.92 and 57,448,577.76

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Solution

The fourth proportional to 103,858,361.76, 143,322,769.92 and 57,448,577.76 is: 79,278,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,858,361.76 : 143,322,769.92 = 57,448,577.76 : x
  2. Step 2: Convert to fraction form
    103,858,361.76/143,322,769.92 = 57,448,577.76/x
  3. Step 3: Cross multiply
    103,858,361.76x = 143,322,769.92 × 57,448,577.76
  4. Step 4: Simplify right side
    103,858,361.76x = 8,233,689,292,527,708
  5. Step 5: Solve for x
    x = 8,233,689,292,527,708/103,858,361.76
  6. Step 6: Final answer
    x = 79,278,058.63

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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.