Home / 81,859,857,188.91-122,680,027,355.16-63,709,561,393.28

Finding the Fourth Proportional to 81,859,857,188.91, 122,680,027,355.16 and 63,709,561,393.28

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Solution

The fourth proportional to 81,859,857,188.91, 122,680,027,355.16 and 63,709,561,393.28 is: 95,478,919,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,859,857,188.91 : 122,680,027,355.16 = 63,709,561,393.28 : x
  2. Step 2: Convert to fraction form
    81,859,857,188.91/122,680,027,355.16 = 63,709,561,393.28/x
  3. Step 3: Cross multiply
    81,859,857,188.91x = 122,680,027,355.16 × 63,709,561,393.28
  4. Step 4: Simplify right side
    81,859,857,188.91x = 7,815,890,734,512,222,502,912
  5. Step 5: Solve for x
    x = 7,815,890,734,512,222,502,912/81,859,857,188.91
  6. Step 6: Final answer
    x = 95,478,919,740.54

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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.