Home / 87,269,821.48-130,876,244.52-28,961,838.64

Finding the Fourth Proportional to 87,269,821.48, 130,876,244.52 and 28,961,838.64

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Solution

The fourth proportional to 87,269,821.48, 130,876,244.52 and 28,961,838.64 is: 43,433,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,269,821.48 : 130,876,244.52 = 28,961,838.64 : x
  2. Step 2: Convert to fraction form
    87,269,821.48/130,876,244.52 = 28,961,838.64/x
  3. Step 3: Cross multiply
    87,269,821.48x = 130,876,244.52 × 28,961,838.64
  4. Step 4: Simplify right side
    87,269,821.48x = 3,790,416,675,597,424
  5. Step 5: Solve for x
    x = 3,790,416,675,597,424/87,269,821.48
  6. Step 6: Final answer
    x = 43,433,303.88

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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.