Home / 215,100,753,549.83-296,865,069,285.52-122,424,141,004.09

Finding the Fourth Proportional to 215,100,753,549.83, 296,865,069,285.52 and 122,424,141,004.09

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Solution

The fourth proportional to 215,100,753,549.83, 296,865,069,285.52 and 122,424,141,004.09 is: 168,960,129,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,100,753,549.83 : 296,865,069,285.52 = 122,424,141,004.09 : x
  2. Step 2: Convert to fraction form
    215,100,753,549.83/296,865,069,285.52 = 122,424,141,004.09/x
  3. Step 3: Cross multiply
    215,100,753,549.83x = 296,865,069,285.52 × 122,424,141,004.09
  4. Step 4: Simplify right side
    215,100,753,549.83x = 36,343,451,101,399,447,764,992
  5. Step 5: Solve for x
    x = 36,343,451,101,399,447,764,992/215,100,753,549.83
  6. Step 6: Final answer
    x = 168,960,129,156.31

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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.