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Finding the Fourth Proportional to 75,953,347.20, 113,933,131.20 and 22,100,659.20

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Solution

The fourth proportional to 75,953,347.20, 113,933,131.20 and 22,100,659.20 is: 33,151,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,953,347.20 : 113,933,131.20 = 22,100,659.20 : x
  2. Step 2: Convert to fraction form
    75,953,347.20/113,933,131.20 = 22,100,659.20/x
  3. Step 3: Cross multiply
    75,953,347.20x = 113,933,131.20 × 22,100,659.20
  4. Step 4: Simplify right side
    75,953,347.20x = 2,517,997,304,240,087
  5. Step 5: Solve for x
    x = 2,517,997,304,240,087/75,953,347.20
  6. Step 6: Final answer
    x = 33,151,893.85

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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.