Home / 161,703,997.20-242,555,995.80-64,611,694.80

Finding the Fourth Proportional to 161,703,997.20, 242,555,995.80 and 64,611,694.80

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Solution

The fourth proportional to 161,703,997.20, 242,555,995.80 and 64,611,694.80 is: 96,917,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703,997.20 : 242,555,995.80 = 64,611,694.80 : x
  2. Step 2: Convert to fraction form
    161,703,997.20/242,555,995.80 = 64,611,694.80/x
  3. Step 3: Cross multiply
    161,703,997.20x = 242,555,995.80 × 64,611,694.80
  4. Step 4: Simplify right side
    161,703,997.20x = 15,671,953,972,539,682
  5. Step 5: Solve for x
    x = 15,671,953,972,539,682/161,703,997.20
  6. Step 6: Final answer
    x = 96,917,542.20

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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.