Home / 78,994,893.96-108,969,055.38-45,951,425.64

Finding the Fourth Proportional to 78,994,893.96, 108,969,055.38 and 45,951,425.64

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Solution

The fourth proportional to 78,994,893.96, 108,969,055.38 and 45,951,425.64 is: 63,387,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,994,893.96 : 108,969,055.38 = 45,951,425.64 : x
  2. Step 2: Convert to fraction form
    78,994,893.96/108,969,055.38 = 45,951,425.64/x
  3. Step 3: Cross multiply
    78,994,893.96x = 108,969,055.38 × 45,951,425.64
  4. Step 4: Simplify right side
    78,994,893.96x = 5,007,283,445,355,112
  5. Step 5: Solve for x
    x = 5,007,283,445,355,112/78,994,893.96
  6. Step 6: Final answer
    x = 63,387,431.70

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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.