Home / 117,119,790.92-161,588,378.36-67,553,519.04

Finding the Fourth Proportional to 117,119,790.92, 161,588,378.36 and 67,553,519.04

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Solution

The fourth proportional to 117,119,790.92, 161,588,378.36 and 67,553,519.04 is: 93,202,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,119,790.92 : 161,588,378.36 = 67,553,519.04 : x
  2. Step 2: Convert to fraction form
    117,119,790.92/161,588,378.36 = 67,553,519.04/x
  3. Step 3: Cross multiply
    117,119,790.92x = 161,588,378.36 × 67,553,519.04
  4. Step 4: Simplify right side
    117,119,790.92x = 10,915,863,594,353,870
  5. Step 5: Solve for x
    x = 10,915,863,594,353,870/117,119,790.92
  6. Step 6: Final answer
    x = 93,202,553.63

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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.