Home / 55,128,877.68-76,076,508.60-30,348,863.04

Finding the Fourth Proportional to 55,128,877.68, 76,076,508.60 and 30,348,863.04

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Solution

The fourth proportional to 55,128,877.68, 76,076,508.60 and 30,348,863.04 is: 41,880,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128,877.68 : 76,076,508.60 = 30,348,863.04 : x
  2. Step 2: Convert to fraction form
    55,128,877.68/76,076,508.60 = 30,348,863.04/x
  3. Step 3: Cross multiply
    55,128,877.68x = 76,076,508.60 × 30,348,863.04
  4. Step 4: Simplify right side
    55,128,877.68x = 2,308,835,540,062,782
  5. Step 5: Solve for x
    x = 2,308,835,540,062,782/55,128,877.68
  6. Step 6: Final answer
    x = 41,880,691.88

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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.