Home / 78,732,739.44-108,651,247.74-43,925,435.28

Finding the Fourth Proportional to 78,732,739.44, 108,651,247.74 and 43,925,435.28

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Solution

The fourth proportional to 78,732,739.44, 108,651,247.74 and 43,925,435.28 is: 60,617,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,739.44 : 108,651,247.74 = 43,925,435.28 : x
  2. Step 2: Convert to fraction form
    78,732,739.44/108,651,247.74 = 43,925,435.28/x
  3. Step 3: Cross multiply
    78,732,739.44x = 108,651,247.74 × 43,925,435.28
  4. Step 4: Simplify right side
    78,732,739.44x = 4,772,553,350,694,616
  5. Step 5: Solve for x
    x = 4,772,553,350,694,616/78,732,739.44
  6. Step 6: Final answer
    x = 60,617,138.24

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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.