Home / 55,511,432.05-76,613,793.15-31,985,464.73

Finding the Fourth Proportional to 55,511,432.05, 76,613,793.15 and 31,985,464.73

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Solution

The fourth proportional to 55,511,432.05, 76,613,793.15 and 31,985,464.73 is: 44,144,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511,432.05 : 76,613,793.15 = 31,985,464.73 : x
  2. Step 2: Convert to fraction form
    55,511,432.05/76,613,793.15 = 31,985,464.73/x
  3. Step 3: Cross multiply
    55,511,432.05x = 76,613,793.15 × 31,985,464.73
  4. Step 4: Simplify right side
    55,511,432.05x = 2,450,527,778,618,751
  5. Step 5: Solve for x
    x = 2,450,527,778,618,751/55,511,432.05
  6. Step 6: Final answer
    x = 44,144,560.65

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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.