Home / 81,164,478.54-112,003,979.61-43,993,960.73

Finding the Fourth Proportional to 81,164,478.54, 112,003,979.61 and 43,993,960.73

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Solution

The fourth proportional to 81,164,478.54, 112,003,979.61 and 43,993,960.73 is: 60,710,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,164,478.54 : 112,003,979.61 = 43,993,960.73 : x
  2. Step 2: Convert to fraction form
    81,164,478.54/112,003,979.61 = 43,993,960.73/x
  3. Step 3: Cross multiply
    81,164,478.54x = 112,003,979.61 × 43,993,960.73
  4. Step 4: Simplify right side
    81,164,478.54x = 4,927,498,680,301,527
  5. Step 5: Solve for x
    x = 4,927,498,680,301,527/81,164,478.54
  6. Step 6: Final answer
    x = 60,710,039.28

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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.