Home / 111,306,221.80-166,881,103.68-49,027,985.08

Finding the Fourth Proportional to 111,306,221.80, 166,881,103.68 and 49,027,985.08

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Solution

The fourth proportional to 111,306,221.80, 166,881,103.68 and 49,027,985.08 is: 73,507,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,306,221.80 : 166,881,103.68 = 49,027,985.08 : x
  2. Step 2: Convert to fraction form
    111,306,221.80/166,881,103.68 = 49,027,985.08/x
  3. Step 3: Cross multiply
    111,306,221.80x = 166,881,103.68 × 49,027,985.08
  4. Step 4: Simplify right side
    111,306,221.80x = 8,181,844,261,356,973
  5. Step 5: Solve for x
    x = 8,181,844,261,356,973/111,306,221.80
  6. Step 6: Final answer
    x = 73,507,519.43

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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.