Home / 107,742,679.20-161,614,020.94-25,861,557.49

Finding the Fourth Proportional to 107,742,679.20, 161,614,020.94 and 25,861,557.49

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Solution

The fourth proportional to 107,742,679.20, 161,614,020.94 and 25,861,557.49 is: 38,792,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,742,679.20 : 161,614,020.94 = 25,861,557.49 : x
  2. Step 2: Convert to fraction form
    107,742,679.20/161,614,020.94 = 25,861,557.49/x
  3. Step 3: Cross multiply
    107,742,679.20x = 161,614,020.94 × 25,861,557.49
  4. Step 4: Simplify right side
    107,742,679.20x = 4,179,590,293,261,185
  5. Step 5: Solve for x
    x = 4,179,590,293,261,185/107,742,679.20
  6. Step 6: Final answer
    x = 38,792,336.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.