Home / 86,781,427.76-119,728,707.72-49,585,022.48

Finding the Fourth Proportional to 86,781,427.76, 119,728,707.72 and 49,585,022.48

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Solution

The fourth proportional to 86,781,427.76, 119,728,707.72 and 49,585,022.48 is: 68,410,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,781,427.76 : 119,728,707.72 = 49,585,022.48 : x
  2. Step 2: Convert to fraction form
    86,781,427.76/119,728,707.72 = 49,585,022.48/x
  3. Step 3: Cross multiply
    86,781,427.76x = 119,728,707.72 × 49,585,022.48
  4. Step 4: Simplify right side
    86,781,427.76x = 5,936,750,663,797,549
  5. Step 5: Solve for x
    x = 5,936,750,663,797,549/86,781,427.76
  6. Step 6: Final answer
    x = 68,410,382.46

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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.