Home / 56,861,719.72-85,292,829.24-18,000,362.56

Finding the Fourth Proportional to 56,861,719.72, 85,292,829.24 and 18,000,362.56

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Solution

The fourth proportional to 56,861,719.72, 85,292,829.24 and 18,000,362.56 is: 27,000,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,719.72 : 85,292,829.24 = 18,000,362.56 : x
  2. Step 2: Convert to fraction form
    56,861,719.72/85,292,829.24 = 18,000,362.56/x
  3. Step 3: Cross multiply
    56,861,719.72x = 85,292,829.24 × 18,000,362.56
  4. Step 4: Simplify right side
    56,861,719.72x = 1,535,301,850,088,169
  5. Step 5: Solve for x
    x = 1,535,301,850,088,169/56,861,719.72
  6. Step 6: Final answer
    x = 27,000,622.87

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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.