Home / 81,270,252.72-112,121,023.68-46,444,260.24

Finding the Fourth Proportional to 81,270,252.72, 112,121,023.68 and 46,444,260.24

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Solution

The fourth proportional to 81,270,252.72, 112,121,023.68 and 46,444,260.24 is: 64,074,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,270,252.72 : 112,121,023.68 = 46,444,260.24 : x
  2. Step 2: Convert to fraction form
    81,270,252.72/112,121,023.68 = 46,444,260.24/x
  3. Step 3: Cross multiply
    81,270,252.72x = 112,121,023.68 × 46,444,260.24
  4. Step 4: Simplify right side
    81,270,252.72x = 5,207,378,002,169,123
  5. Step 5: Solve for x
    x = 5,207,378,002,169,123/81,270,252.72
  6. Step 6: Final answer
    x = 64,074,834.62

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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.