Home / 85,337,945.31-117,766,674.54-46,179,717.78

Finding the Fourth Proportional to 85,337,945.31, 117,766,674.54 and 46,179,717.78

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Solution

The fourth proportional to 85,337,945.31, 117,766,674.54 and 46,179,717.78 is: 63,728,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,337,945.31 : 117,766,674.54 = 46,179,717.78 : x
  2. Step 2: Convert to fraction form
    85,337,945.31/117,766,674.54 = 46,179,717.78/x
  3. Step 3: Cross multiply
    85,337,945.31x = 117,766,674.54 × 46,179,717.78
  4. Step 4: Simplify right side
    85,337,945.31x = 5,438,431,794,146,312
  5. Step 5: Solve for x
    x = 5,438,431,794,146,312/85,337,945.31
  6. Step 6: Final answer
    x = 63,728,178.30

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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.