Home / 215,100,753,549.33-296,865,069,284.83-122,424,141,003.59

Finding the Fourth Proportional to 215,100,753,549.33, 296,865,069,284.83 and 122,424,141,003.59

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Solution

The fourth proportional to 215,100,753,549.33, 296,865,069,284.83 and 122,424,141,003.59 is: 168,960,129,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,100,753,549.33 : 296,865,069,284.83 = 122,424,141,003.59 : x
  2. Step 2: Convert to fraction form
    215,100,753,549.33/296,865,069,284.83 = 122,424,141,003.59/x
  3. Step 3: Cross multiply
    215,100,753,549.33x = 296,865,069,284.83 × 122,424,141,003.59
  4. Step 4: Simplify right side
    215,100,753,549.33x = 36,343,451,101,166,542,258,176
  5. Step 5: Solve for x
    x = 36,343,451,101,166,542,258,176/215,100,753,549.33
  6. Step 6: Final answer
    x = 168,960,129,155.62

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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.