Home / 55,103,110.88-76,042,992.54-30,326,150.48

Finding the Fourth Proportional to 55,103,110.88, 76,042,992.54 and 30,326,150.48

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Solution

The fourth proportional to 55,103,110.88, 76,042,992.54 and 30,326,150.48 is: 41,850,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,103,110.88 : 76,042,992.54 = 30,326,150.48 : x
  2. Step 2: Convert to fraction form
    55,103,110.88/76,042,992.54 = 30,326,150.48/x
  3. Step 3: Cross multiply
    55,103,110.88x = 76,042,992.54 × 30,326,150.48
  4. Step 4: Simplify right side
    55,103,110.88x = 2,306,091,234,717,557.50
  5. Step 5: Solve for x
    x = 2,306,091,234,717,557.50/55,103,110.88
  6. Step 6: Final answer
    x = 41,850,472.65

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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.