Home / 57,016,098.80-85,524,148.20-18,678,863.60

Finding the Fourth Proportional to 57,016,098.80, 85,524,148.20 and 18,678,863.60

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Solution

The fourth proportional to 57,016,098.80, 85,524,148.20 and 18,678,863.60 is: 28,018,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016,098.80 : 85,524,148.20 = 18,678,863.60 : x
  2. Step 2: Convert to fraction form
    57,016,098.80/85,524,148.20 = 18,678,863.60/x
  3. Step 3: Cross multiply
    57,016,098.80x = 85,524,148.20 × 18,678,863.60
  4. Step 4: Simplify right side
    57,016,098.80x = 1,597,493,898,733,985.75
  5. Step 5: Solve for x
    x = 1,597,493,898,733,985.75/57,016,098.80
  6. Step 6: Final answer
    x = 28,018,295.40

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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.