Home / 68,158,312.17-102,161,739.74-51,930,764.88

Finding the Fourth Proportional to 68,158,312.17, 102,161,739.74 and 51,930,764.88

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Solution

The fourth proportional to 68,158,312.17, 102,161,739.74 and 51,930,764.88 is: 77,838,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,158,312.17 : 102,161,739.74 = 51,930,764.88 : x
  2. Step 2: Convert to fraction form
    68,158,312.17/102,161,739.74 = 51,930,764.88/x
  3. Step 3: Cross multiply
    68,158,312.17x = 102,161,739.74 × 51,930,764.88
  4. Step 4: Simplify right side
    68,158,312.17x = 5,305,337,285,910,039
  5. Step 5: Solve for x
    x = 5,305,337,285,910,039/68,158,312.17
  6. Step 6: Final answer
    x = 77,838,448.71

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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.