Home / 57,965,770.80-86,948,656.20-55,131,418.80

Finding the Fourth Proportional to 57,965,770.80, 86,948,656.20 and 55,131,418.80

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Solution

The fourth proportional to 57,965,770.80, 86,948,656.20 and 55,131,418.80 is: 82,697,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965,770.80 : 86,948,656.20 = 55,131,418.80 : x
  2. Step 2: Convert to fraction form
    57,965,770.80/86,948,656.20 = 55,131,418.80/x
  3. Step 3: Cross multiply
    57,965,770.80x = 86,948,656.20 × 55,131,418.80
  4. Step 4: Simplify right side
    57,965,770.80x = 4,793,602,779,059,416
  5. Step 5: Solve for x
    x = 4,793,602,779,059,416/57,965,770.80
  6. Step 6: Final answer
    x = 82,697,128.20

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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.