Home / 215,013,626.82-296,710,258.58-126,935,996.86

Finding the Fourth Proportional to 215,013,626.82, 296,710,258.58 and 126,935,996.86

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Solution

The fourth proportional to 215,013,626.82, 296,710,258.58 and 126,935,996.86 is: 175,166,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,013,626.82 : 296,710,258.58 = 126,935,996.86 : x
  2. Step 2: Convert to fraction form
    215,013,626.82/296,710,258.58 = 126,935,996.86/x
  3. Step 3: Cross multiply
    215,013,626.82x = 296,710,258.58 × 126,935,996.86
  4. Step 4: Simplify right side
    215,013,626.82x = 37,663,212,451,440,664
  5. Step 5: Solve for x
    x = 37,663,212,451,440,664/215,013,626.82
  6. Step 6: Final answer
    x = 175,166,630.17

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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.