Home / 137,673,780.27-189,982,982.84-75,792,790.23

Finding the Fourth Proportional to 137,673,780.27, 189,982,982.84 and 75,792,790.23

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Solution

The fourth proportional to 137,673,780.27, 189,982,982.84 and 75,792,790.23 is: 104,590,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,780.27 : 189,982,982.84 = 75,792,790.23 : x
  2. Step 2: Convert to fraction form
    137,673,780.27/189,982,982.84 = 75,792,790.23/x
  3. Step 3: Cross multiply
    137,673,780.27x = 189,982,982.84 × 75,792,790.23
  4. Step 4: Simplify right side
    137,673,780.27x = 14,399,340,365,282,848
  5. Step 5: Solve for x
    x = 14,399,340,365,282,848/137,673,780.27
  6. Step 6: Final answer
    x = 104,590,288.27

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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.