Home / 54,768,703.87-82,022,640.42-31,691,002.98

Finding the Fourth Proportional to 54,768,703.87, 82,022,640.42 and 31,691,002.98

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Solution

The fourth proportional to 54,768,703.87, 82,022,640.42 and 31,691,002.98 is: 47,461,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768,703.87 : 82,022,640.42 = 31,691,002.98 : x
  2. Step 2: Convert to fraction form
    54,768,703.87/82,022,640.42 = 31,691,002.98/x
  3. Step 3: Cross multiply
    54,768,703.87x = 82,022,640.42 × 31,691,002.98
  4. Step 4: Simplify right side
    54,768,703.87x = 2,599,379,742,404,114.50
  5. Step 5: Solve for x
    x = 2,599,379,742,404,114.50/54,768,703.87
  6. Step 6: Final answer
    x = 47,461,041.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.