Home / 113,022,112.36-169,502,815.68-31,121,491.72

Finding the Fourth Proportional to 113,022,112.36, 169,502,815.68 and 31,121,491.72

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Solution

The fourth proportional to 113,022,112.36, 169,502,815.68 and 31,121,491.72 is: 46,673,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,022,112.36 : 169,502,815.68 = 31,121,491.72 : x
  2. Step 2: Convert to fraction form
    113,022,112.36/169,502,815.68 = 31,121,491.72/x
  3. Step 3: Cross multiply
    113,022,112.36x = 169,502,815.68 × 31,121,491.72
  4. Step 4: Simplify right side
    113,022,112.36x = 5,275,180,474,701,806
  5. Step 5: Solve for x
    x = 5,275,180,474,701,806/113,022,112.36
  6. Step 6: Final answer
    x = 46,673,879.69

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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.