Home / 76,691,333.42-105,836,651.74-45,356,243.46

Finding the Fourth Proportional to 76,691,333.42, 105,836,651.74 and 45,356,243.46

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Solution

The fourth proportional to 76,691,333.42, 105,836,651.74 and 45,356,243.46 is: 62,593,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,333.42 : 105,836,651.74 = 45,356,243.46 : x
  2. Step 2: Convert to fraction form
    76,691,333.42/105,836,651.74 = 45,356,243.46/x
  3. Step 3: Cross multiply
    76,691,333.42x = 105,836,651.74 × 45,356,243.46
  4. Step 4: Simplify right side
    76,691,333.42x = 4,800,352,943,310,672
  5. Step 5: Solve for x
    x = 4,800,352,943,310,672/76,691,333.42
  6. Step 6: Final answer
    x = 62,593,160.52

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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.