Home / 87,269,583,848.82-120,434,997,228.72-50,644,863,589.30

Finding the Fourth Proportional to 87,269,583,848.82, 120,434,997,228.72 and 50,644,863,589.30

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Solution

The fourth proportional to 87,269,583,848.82, 120,434,997,228.72 and 50,644,863,589.30 is: 69,891,636,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,269,583,848.82 : 120,434,997,228.72 = 50,644,863,589.30 : x
  2. Step 2: Convert to fraction form
    87,269,583,848.82/120,434,997,228.72 = 50,644,863,589.30/x
  3. Step 3: Cross multiply
    87,269,583,848.82x = 120,434,997,228.72 × 50,644,863,589.30
  4. Step 4: Simplify right side
    87,269,583,848.82x = 6,099,414,006,026,248,126,464
  5. Step 5: Solve for x
    x = 6,099,414,006,026,248,126,464/87,269,583,848.82
  6. Step 6: Final answer
    x = 69,891,636,203.89

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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.