Home / 81,471,913.29-112,433,371.16-44,304,367.35

Finding the Fourth Proportional to 81,471,913.29, 112,433,371.16 and 44,304,367.35

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Solution

The fourth proportional to 81,471,913.29, 112,433,371.16 and 44,304,367.35 is: 61,141,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,471,913.29 : 112,433,371.16 = 44,304,367.35 : x
  2. Step 2: Convert to fraction form
    81,471,913.29/112,433,371.16 = 44,304,367.35/x
  3. Step 3: Cross multiply
    81,471,913.29x = 112,433,371.16 × 44,304,367.35
  4. Step 4: Simplify right side
    81,471,913.29x = 4,981,289,378,088,192
  5. Step 5: Solve for x
    x = 4,981,289,378,088,192/81,471,913.29
  6. Step 6: Final answer
    x = 61,141,185.68

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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.