Home / 76,796,902.52-105,979,735.50-41,989,617.08

Finding the Fourth Proportional to 76,796,902.52, 105,979,735.50 and 41,989,617.08

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Solution

The fourth proportional to 76,796,902.52, 105,979,735.50 and 41,989,617.08 is: 57,945,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,796,902.52 : 105,979,735.50 = 41,989,617.08 : x
  2. Step 2: Convert to fraction form
    76,796,902.52/105,979,735.50 = 41,989,617.08/x
  3. Step 3: Cross multiply
    76,796,902.52x = 105,979,735.50 × 41,989,617.08
  4. Step 4: Simplify right side
    76,796,902.52x = 4,450,048,511,884,682
  5. Step 5: Solve for x
    x = 4,450,048,511,884,682/76,796,902.52
  6. Step 6: Final answer
    x = 57,945,677.05

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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.