Home / 57,182,564-85,784,473.20-18,846,771.68

Finding the Fourth Proportional to 57,182,564, 85,784,473.20 and 18,846,771.68

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Solution

The fourth proportional to 57,182,564, 85,784,473.20 and 18,846,771.68 is: 28,273,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,182,564 : 85,784,473.20 = 18,846,771.68 : x
  2. Step 2: Convert to fraction form
    57,182,564/85,784,473.20 = 18,846,771.68/x
  3. Step 3: Cross multiply
    57,182,564x = 85,784,473.20 × 18,846,771.68
  4. Step 4: Simplify right side
    57,182,564x = 1,616,760,380,089,479
  5. Step 5: Solve for x
    x = 1,616,760,380,089,479/57,182,564
  6. Step 6: Final answer
    x = 28,273,660.13

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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.