Home / 78,322,902.51-108,062,034.60-46,949,504.31

Finding the Fourth Proportional to 78,322,902.51, 108,062,034.60 and 46,949,504.31

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Solution

The fourth proportional to 78,322,902.51, 108,062,034.60 and 46,949,504.31 is: 64,776,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,322,902.51 : 108,062,034.60 = 46,949,504.31 : x
  2. Step 2: Convert to fraction form
    78,322,902.51/108,062,034.60 = 46,949,504.31/x
  3. Step 3: Cross multiply
    78,322,902.51x = 108,062,034.60 × 46,949,504.31
  4. Step 4: Simplify right side
    78,322,902.51x = 5,073,458,959,200,069
  5. Step 5: Solve for x
    x = 5,073,458,959,200,069/78,322,902.51
  6. Step 6: Final answer
    x = 64,776,186.74

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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.