Home / 101,683,089.92-140,324,017.92-55,274,055.68

Finding the Fourth Proportional to 101,683,089.92, 140,324,017.92 and 55,274,055.68

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Solution

The fourth proportional to 101,683,089.92, 140,324,017.92 and 55,274,055.68 is: 76,278,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,683,089.92 : 140,324,017.92 = 55,274,055.68 : x
  2. Step 2: Convert to fraction form
    101,683,089.92/140,324,017.92 = 55,274,055.68/x
  3. Step 3: Cross multiply
    101,683,089.92x = 140,324,017.92 × 55,274,055.68
  4. Step 4: Simplify right side
    101,683,089.92x = 7,756,277,579,751,397
  5. Step 5: Solve for x
    x = 7,756,277,579,751,397/101,683,089.92
  6. Step 6: Final answer
    x = 76,278,932.77

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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.