Home / 76,619,468.70-105,737,112.66-41,814,396.96

Finding the Fourth Proportional to 76,619,468.70, 105,737,112.66 and 41,814,396.96

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Solution

The fourth proportional to 76,619,468.70, 105,737,112.66 and 41,814,396.96 is: 57,705,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,619,468.70 : 105,737,112.66 = 41,814,396.96 : x
  2. Step 2: Convert to fraction form
    76,619,468.70/105,737,112.66 = 41,814,396.96/x
  3. Step 3: Cross multiply
    76,619,468.70x = 105,737,112.66 × 41,814,396.96
  4. Step 4: Simplify right side
    76,619,468.70x = 4,421,333,602,169,481.50
  5. Step 5: Solve for x
    x = 4,421,333,602,169,481.50/76,619,468.70
  6. Step 6: Final answer
    x = 57,705,093.46

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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.