Home / 40,800,672.22-61,205,492.22-20,335,543.78

Finding the Fourth Proportional to 40,800,672.22, 61,205,492.22 and 20,335,543.78

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Solution

The fourth proportional to 40,800,672.22, 61,205,492.22 and 20,335,543.78 is: 30,505,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,800,672.22 : 61,205,492.22 = 20,335,543.78 : x
  2. Step 2: Convert to fraction form
    40,800,672.22/61,205,492.22 = 20,335,543.78/x
  3. Step 3: Cross multiply
    40,800,672.22x = 61,205,492.22 × 20,335,543.78
  4. Step 4: Simplify right side
    40,800,672.22x = 1,244,646,966,616,259.50
  5. Step 5: Solve for x
    x = 1,244,646,966,616,259.50/40,800,672.22
  6. Step 6: Final answer
    x = 30,505,550.49

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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.