Home / 137,673,780.15-189,982,982.66-75,792,790.11

Finding the Fourth Proportional to 137,673,780.15, 189,982,982.66 and 75,792,790.11

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Solution

The fourth proportional to 137,673,780.15, 189,982,982.66 and 75,792,790.11 is: 104,590,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,780.15 : 189,982,982.66 = 75,792,790.11 : x
  2. Step 2: Convert to fraction form
    137,673,780.15/189,982,982.66 = 75,792,790.11/x
  3. Step 3: Cross multiply
    137,673,780.15x = 189,982,982.66 × 75,792,790.11
  4. Step 4: Simplify right side
    137,673,780.15x = 14,399,340,329,221,150
  5. Step 5: Solve for x
    x = 14,399,340,329,221,150/137,673,780.15
  6. Step 6: Final answer
    x = 104,590,288.10

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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.