Home / 78,722,921.85-118,084,382.78-50,095,966.65

Finding the Fourth Proportional to 78,722,921.85, 118,084,382.78 and 50,095,966.65

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Solution

The fourth proportional to 78,722,921.85, 118,084,382.78 and 50,095,966.65 is: 75,143,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,722,921.85 : 118,084,382.78 = 50,095,966.65 : x
  2. Step 2: Convert to fraction form
    78,722,921.85/118,084,382.78 = 50,095,966.65/x
  3. Step 3: Cross multiply
    78,722,921.85x = 118,084,382.78 × 50,095,966.65
  4. Step 4: Simplify right side
    78,722,921.85x = 5,915,551,301,382,235
  5. Step 5: Solve for x
    x = 5,915,551,301,382,235/78,722,921.85
  6. Step 6: Final answer
    x = 75,143,949.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.