Home / 87,442,003.70-131,163,005.55-61,365,965.30

Finding the Fourth Proportional to 87,442,003.70, 131,163,005.55 and 61,365,965.30

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Solution

The fourth proportional to 87,442,003.70, 131,163,005.55 and 61,365,965.30 is: 92,048,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,003.70 : 131,163,005.55 = 61,365,965.30 : x
  2. Step 2: Convert to fraction form
    87,442,003.70/131,163,005.55 = 61,365,965.30/x
  3. Step 3: Cross multiply
    87,442,003.70x = 131,163,005.55 × 61,365,965.30
  4. Step 4: Simplify right side
    87,442,003.70x = 8,048,944,447,225,007
  5. Step 5: Solve for x
    x = 8,048,944,447,225,007/87,442,003.70
  6. Step 6: Final answer
    x = 92,048,947.95

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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.