Home / 85,405,579.60-117,861,678.84-48,739,562.32

Finding the Fourth Proportional to 85,405,579.60, 117,861,678.84 and 48,739,562.32

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Solution

The fourth proportional to 85,405,579.60, 117,861,678.84 and 48,739,562.32 is: 67,261,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,405,579.60 : 117,861,678.84 = 48,739,562.32 : x
  2. Step 2: Convert to fraction form
    85,405,579.60/117,861,678.84 = 48,739,562.32/x
  3. Step 3: Cross multiply
    85,405,579.60x = 117,861,678.84 × 48,739,562.32
  4. Step 4: Simplify right side
    85,405,579.60x = 5,744,526,640,962,006
  5. Step 5: Solve for x
    x = 5,744,526,640,962,006/85,405,579.60
  6. Step 6: Final answer
    x = 67,261,725.38

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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.