Home / 211,200,901.92-316,736,519.94-146,040,712.20

Finding the Fourth Proportional to 211,200,901.92, 316,736,519.94 and 146,040,712.20

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Solution

The fourth proportional to 211,200,901.92, 316,736,519.94 and 146,040,712.20 is: 219,016,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,200,901.92 : 316,736,519.94 = 146,040,712.20 : x
  2. Step 2: Convert to fraction form
    211,200,901.92/316,736,519.94 = 146,040,712.20/x
  3. Step 3: Cross multiply
    211,200,901.92x = 316,736,519.94 × 146,040,712.20
  4. Step 4: Simplify right side
    211,200,901.92x = 46,256,426,951,787,096
  5. Step 5: Solve for x
    x = 46,256,426,951,787,096/211,200,901.92
  6. Step 6: Final answer
    x = 219,016,237.77

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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.