Home / 111,259,936.80-166,889,905.20-29,378,656.80

Finding the Fourth Proportional to 111,259,936.80, 166,889,905.20 and 29,378,656.80

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Solution

The fourth proportional to 111,259,936.80, 166,889,905.20 and 29,378,656.80 is: 44,067,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,259,936.80 : 166,889,905.20 = 29,378,656.80 : x
  2. Step 2: Convert to fraction form
    111,259,936.80/166,889,905.20 = 29,378,656.80/x
  3. Step 3: Cross multiply
    111,259,936.80x = 166,889,905.20 × 29,378,656.80
  4. Step 4: Simplify right side
    111,259,936.80x = 4,903,001,248,255,335
  5. Step 5: Solve for x
    x = 4,903,001,248,255,335/111,259,936.80
  6. Step 6: Final answer
    x = 44,067,985.20

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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.