Home / 217,378,972.40-326,068,458.60-174,332,251.40

Finding the Fourth Proportional to 217,378,972.40, 326,068,458.60 and 174,332,251.40

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Solution

The fourth proportional to 217,378,972.40, 326,068,458.60 and 174,332,251.40 is: 261,498,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,378,972.40 : 326,068,458.60 = 174,332,251.40 : x
  2. Step 2: Convert to fraction form
    217,378,972.40/326,068,458.60 = 174,332,251.40/x
  3. Step 3: Cross multiply
    217,378,972.40x = 326,068,458.60 × 174,332,251.40
  4. Step 4: Simplify right side
    217,378,972.40x = 56,844,248,498,265,696
  5. Step 5: Solve for x
    x = 56,844,248,498,265,696/217,378,972.40
  6. Step 6: Final answer
    x = 261,498,377.10

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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.