Home / 76,691,331.42-105,836,648.98-45,356,241.46

Finding the Fourth Proportional to 76,691,331.42, 105,836,648.98 and 45,356,241.46

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Solution

The fourth proportional to 76,691,331.42, 105,836,648.98 and 45,356,241.46 is: 62,593,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,331.42 : 105,836,648.98 = 45,356,241.46 : x
  2. Step 2: Convert to fraction form
    76,691,331.42/105,836,648.98 = 45,356,241.46/x
  3. Step 3: Cross multiply
    76,691,331.42x = 105,836,648.98 × 45,356,241.46
  4. Step 4: Simplify right side
    76,691,331.42x = 4,800,352,606,227,361
  5. Step 5: Solve for x
    x = 4,800,352,606,227,361/76,691,331.42
  6. Step 6: Final answer
    x = 62,593,157.76

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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.