Home / 101,839,908.36-140,551,040.68-57,193,217.84

Finding the Fourth Proportional to 101,839,908.36, 140,551,040.68 and 57,193,217.84

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Solution

The fourth proportional to 101,839,908.36, 140,551,040.68 and 57,193,217.84 is: 78,933,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,839,908.36 : 140,551,040.68 = 57,193,217.84 : x
  2. Step 2: Convert to fraction form
    101,839,908.36/140,551,040.68 = 57,193,217.84/x
  3. Step 3: Cross multiply
    101,839,908.36x = 140,551,040.68 × 57,193,217.84
  4. Step 4: Simplify right side
    101,839,908.36x = 8,038,566,287,249,943
  5. Step 5: Solve for x
    x = 8,038,566,287,249,943/101,839,908.36
  6. Step 6: Final answer
    x = 78,933,361.36

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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.