Home / 57,088,754.62-85,613,940.08-20,689,524

Finding the Fourth Proportional to 57,088,754.62, 85,613,940.08 and 20,689,524

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Solution

The fourth proportional to 57,088,754.62, 85,613,940.08 and 20,689,524 is: 31,027,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088,754.62 : 85,613,940.08 = 20,689,524 : x
  2. Step 2: Convert to fraction form
    57,088,754.62/85,613,940.08 = 20,689,524/x
  3. Step 3: Cross multiply
    57,088,754.62x = 85,613,940.08 × 20,689,524
  4. Step 4: Simplify right side
    57,088,754.62x = 1,771,311,668,019,722
  5. Step 5: Solve for x
    x = 1,771,311,668,019,722/57,088,754.62
  6. Step 6: Final answer
    x = 31,027,330.69

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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.