Home / 53,793,243.46-80,689,596.78-21,007,143.58

Finding the Fourth Proportional to 53,793,243.46, 80,689,596.78 and 21,007,143.58

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Solution

The fourth proportional to 53,793,243.46, 80,689,596.78 and 21,007,143.58 is: 31,510,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,793,243.46 : 80,689,596.78 = 21,007,143.58 : x
  2. Step 2: Convert to fraction form
    53,793,243.46/80,689,596.78 = 21,007,143.58/x
  3. Step 3: Cross multiply
    53,793,243.46x = 80,689,596.78 × 21,007,143.58
  4. Step 4: Simplify right side
    53,793,243.46x = 1,695,057,944,969,765.50
  5. Step 5: Solve for x
    x = 1,695,057,944,969,765.50/53,793,243.46
  6. Step 6: Final answer
    x = 31,510,610.55

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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.