Home / 87,076,640.55-130,615,229.43-21,497,785.83

Finding the Fourth Proportional to 87,076,640.55, 130,615,229.43 and 21,497,785.83

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Solution

The fourth proportional to 87,076,640.55, 130,615,229.43 and 21,497,785.83 is: 32,246,745.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,076,640.55 : 130,615,229.43 = 21,497,785.83 : x
  2. Step 2: Convert to fraction form
    87,076,640.55/130,615,229.43 = 21,497,785.83/x
  3. Step 3: Cross multiply
    87,076,640.55x = 130,615,229.43 × 21,497,785.83
  4. Step 4: Simplify right side
    87,076,640.55x = 2,807,938,228,422,453
  5. Step 5: Solve for x
    x = 2,807,938,228,422,453/87,076,640.55
  6. Step 6: Final answer
    x = 32,246,745.06

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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.