Home / 76,060,065.78-104,965,266.15-43,019,668.44

Finding the Fourth Proportional to 76,060,065.78, 104,965,266.15 and 43,019,668.44

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Solution

The fourth proportional to 76,060,065.78, 104,965,266.15 and 43,019,668.44 is: 59,368,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,060,065.78 : 104,965,266.15 = 43,019,668.44 : x
  2. Step 2: Convert to fraction form
    76,060,065.78/104,965,266.15 = 43,019,668.44/x
  3. Step 3: Cross multiply
    76,060,065.78x = 104,965,266.15 × 43,019,668.44
  4. Step 4: Simplify right side
    76,060,065.78x = 4,515,570,947,489,355
  5. Step 5: Solve for x
    x = 4,515,570,947,489,355/76,060,065.78
  6. Step 6: Final answer
    x = 59,368,485.96

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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.