Home / 56,861,279.96-85,291,850.76-18,522,731.48

Finding the Fourth Proportional to 56,861,279.96, 85,291,850.76 and 18,522,731.48

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Solution

The fourth proportional to 56,861,279.96, 85,291,850.76 and 18,522,731.48 is: 27,784,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,279.96 : 85,291,850.76 = 18,522,731.48 : x
  2. Step 2: Convert to fraction form
    56,861,279.96/85,291,850.76 = 18,522,731.48/x
  3. Step 3: Cross multiply
    56,861,279.96x = 85,291,850.76 × 18,522,731.48
  4. Step 4: Simplify right side
    56,861,279.96x = 1,579,838,049,059,714
  5. Step 5: Solve for x
    x = 1,579,838,049,059,714/56,861,279.96
  6. Step 6: Final answer
    x = 27,784,074.68

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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.