Home / 76,368,238.98-105,388,442.73-41,561,346.66

Finding the Fourth Proportional to 76,368,238.98, 105,388,442.73 and 41,561,346.66

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Solution

The fourth proportional to 76,368,238.98, 105,388,442.73 and 41,561,346.66 is: 57,354,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,368,238.98 : 105,388,442.73 = 41,561,346.66 : x
  2. Step 2: Convert to fraction form
    76,368,238.98/105,388,442.73 = 41,561,346.66/x
  3. Step 3: Cross multiply
    76,368,238.98x = 105,388,442.73 × 41,561,346.66
  4. Step 4: Simplify right side
    76,368,238.98x = 4,380,085,602,259,086.50
  5. Step 5: Solve for x
    x = 4,380,085,602,259,086.50/76,368,238.98
  6. Step 6: Final answer
    x = 57,354,806.93

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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.