Home / 85,339,654.80-117,768,724.06-46,181,431.94

Finding the Fourth Proportional to 85,339,654.80, 117,768,724.06 and 46,181,431.94

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Solution

The fourth proportional to 85,339,654.80, 117,768,724.06 and 46,181,431.94 is: 63,730,376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,654.80 : 117,768,724.06 = 46,181,431.94 : x
  2. Step 2: Convert to fraction form
    85,339,654.80/117,768,724.06 = 46,181,431.94/x
  3. Step 3: Cross multiply
    85,339,654.80x = 117,768,724.06 × 46,181,431.94
  4. Step 4: Simplify right side
    85,339,654.80x = 5,438,728,314,837,530
  5. Step 5: Solve for x
    x = 5,438,728,314,837,530/85,339,654.80
  6. Step 6: Final answer
    x = 63,730,376.31

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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.