Home / 57,210,425.18-85,826,193.69-18,874,589.66

Finding the Fourth Proportional to 57,210,425.18, 85,826,193.69 and 18,874,589.66

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Solution

The fourth proportional to 57,210,425.18, 85,826,193.69 and 18,874,589.66 is: 28,315,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,210,425.18 : 85,826,193.69 = 18,874,589.66 : x
  2. Step 2: Convert to fraction form
    57,210,425.18/85,826,193.69 = 18,874,589.66/x
  3. Step 3: Cross multiply
    57,210,425.18x = 85,826,193.69 × 18,874,589.66
  4. Step 4: Simplify right side
    57,210,425.18x = 1,619,934,187,978,431.25
  5. Step 5: Solve for x
    x = 1,619,934,187,978,431.25/57,210,425.18
  6. Step 6: Final answer
    x = 28,315,367.05

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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.