Home / 86,297,542.56-119,091,014.64-47,139,861.60

Finding the Fourth Proportional to 86,297,542.56, 119,091,014.64 and 47,139,861.60

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Solution

The fourth proportional to 86,297,542.56, 119,091,014.64 and 47,139,861.60 is: 65,053,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,297,542.56 : 119,091,014.64 = 47,139,861.60 : x
  2. Step 2: Convert to fraction form
    86,297,542.56/119,091,014.64 = 47,139,861.60/x
  3. Step 3: Cross multiply
    86,297,542.56x = 119,091,014.64 × 47,139,861.60
  4. Step 4: Simplify right side
    86,297,542.56x = 5,613,933,947,933,174
  5. Step 5: Solve for x
    x = 5,613,933,947,933,174/86,297,542.56
  6. Step 6: Final answer
    x = 65,053,230.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.