Home / 85,337,947.31-117,766,677.30-46,179,719.78

Finding the Fourth Proportional to 85,337,947.31, 117,766,677.30 and 46,179,719.78

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Solution

The fourth proportional to 85,337,947.31, 117,766,677.30 and 46,179,719.78 is: 63,728,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,337,947.31 : 117,766,677.30 = 46,179,719.78 : x
  2. Step 2: Convert to fraction form
    85,337,947.31/117,766,677.30 = 46,179,719.78/x
  3. Step 3: Cross multiply
    85,337,947.31x = 117,766,677.30 × 46,179,719.78
  4. Step 4: Simplify right side
    85,337,947.31x = 5,438,432,157,135,687
  5. Step 5: Solve for x
    x = 5,438,432,157,135,687/85,337,947.31
  6. Step 6: Final answer
    x = 63,728,181.06

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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.