Home / 55,007,633.88-75,912,896.71-30,561,347.88

Finding the Fourth Proportional to 55,007,633.88, 75,912,896.71 and 30,561,347.88

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Solution

The fourth proportional to 55,007,633.88, 75,912,896.71 and 30,561,347.88 is: 42,175,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007,633.88 : 75,912,896.71 = 30,561,347.88 : x
  2. Step 2: Convert to fraction form
    55,007,633.88/75,912,896.71 = 30,561,347.88/x
  3. Step 3: Cross multiply
    55,007,633.88x = 75,912,896.71 × 30,561,347.88
  4. Step 4: Simplify right side
    55,007,633.88x = 2,320,000,444,932,817
  5. Step 5: Solve for x
    x = 2,320,000,444,932,817/55,007,633.88
  6. Step 6: Final answer
    x = 42,175,972.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.