Home / 53,978,385.40-80,967,578.10-48,771,575.80

Finding the Fourth Proportional to 53,978,385.40, 80,967,578.10 and 48,771,575.80

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Solution

The fourth proportional to 53,978,385.40, 80,967,578.10 and 48,771,575.80 is: 73,157,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,978,385.40 : 80,967,578.10 = 48,771,575.80 : x
  2. Step 2: Convert to fraction form
    53,978,385.40/80,967,578.10 = 48,771,575.80/x
  3. Step 3: Cross multiply
    53,978,385.40x = 80,967,578.10 × 48,771,575.80
  4. Step 4: Simplify right side
    53,978,385.40x = 3,948,916,372,646,569.50
  5. Step 5: Solve for x
    x = 3,948,916,372,646,569.50/53,978,385.40
  6. Step 6: Final answer
    x = 73,157,363.70

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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.