Home / 78,178,365.88-117,268,451.57-23,591,424.22

Finding the Fourth Proportional to 78,178,365.88, 117,268,451.57 and 23,591,424.22

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Solution

The fourth proportional to 78,178,365.88, 117,268,451.57 and 23,591,424.22 is: 35,387,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,178,365.88 : 117,268,451.57 = 23,591,424.22 : x
  2. Step 2: Convert to fraction form
    78,178,365.88/117,268,451.57 = 23,591,424.22/x
  3. Step 3: Cross multiply
    78,178,365.88x = 117,268,451.57 × 23,591,424.22
  4. Step 4: Simplify right side
    78,178,365.88x = 2,766,529,788,610,394.50
  5. Step 5: Solve for x
    x = 2,766,529,788,610,394.50/78,178,365.88
  6. Step 6: Final answer
    x = 35,387,408.75

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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.