Home / 66,366,676.37-91,586,404.85-38,505,975.77

Finding the Fourth Proportional to 66,366,676.37, 91,586,404.85 and 38,505,975.77

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Solution

The fourth proportional to 66,366,676.37, 91,586,404.85 and 38,505,975.77 is: 53,138,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366,676.37 : 91,586,404.85 = 38,505,975.77 : x
  2. Step 2: Convert to fraction form
    66,366,676.37/91,586,404.85 = 38,505,975.77/x
  3. Step 3: Cross multiply
    66,366,676.37x = 91,586,404.85 × 38,505,975.77
  4. Step 4: Simplify right side
    66,366,676.37x = 3,526,623,885,365,048.50
  5. Step 5: Solve for x
    x = 3,526,623,885,365,048.50/66,366,676.37
  6. Step 6: Final answer
    x = 53,138,473.68

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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.