Home / 81,474,935.20-112,438,367.10-46,674,351.52

Finding the Fourth Proportional to 81,474,935.20, 112,438,367.10 and 46,674,351.52

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Solution

The fourth proportional to 81,474,935.20, 112,438,367.10 and 46,674,351.52 is: 64,412,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,474,935.20 : 112,438,367.10 = 46,674,351.52 : x
  2. Step 2: Convert to fraction form
    81,474,935.20/112,438,367.10 = 46,674,351.52/x
  3. Step 3: Cross multiply
    81,474,935.20x = 112,438,367.10 × 46,674,351.52
  4. Step 4: Simplify right side
    81,474,935.20x = 5,247,987,870,360,203
  5. Step 5: Solve for x
    x = 5,247,987,870,360,203/81,474,935.20
  6. Step 6: Final answer
    x = 64,412,298.79

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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.