Home / 217,671,338.34-300,386,446.92-119,886,194.34

Finding the Fourth Proportional to 217,671,338.34, 300,386,446.92 and 119,886,194.34

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Solution

The fourth proportional to 217,671,338.34, 300,386,446.92 and 119,886,194.34 is: 165,442,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,671,338.34 : 300,386,446.92 = 119,886,194.34 : x
  2. Step 2: Convert to fraction form
    217,671,338.34/300,386,446.92 = 119,886,194.34/x
  3. Step 3: Cross multiply
    217,671,338.34x = 300,386,446.92 × 119,886,194.34
  4. Step 4: Simplify right side
    217,671,338.34x = 36,012,187,952,553,216
  5. Step 5: Solve for x
    x = 36,012,187,952,553,216/217,671,338.34
  6. Step 6: Final answer
    x = 165,442,948.20

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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.