Home / 78,996,756.33-118,542,227.90-35,274,135.69

Finding the Fourth Proportional to 78,996,756.33, 118,542,227.90 and 35,274,135.69

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Solution

The fourth proportional to 78,996,756.33, 118,542,227.90 and 35,274,135.69 is: 52,932,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,996,756.33 : 118,542,227.90 = 35,274,135.69 : x
  2. Step 2: Convert to fraction form
    78,996,756.33/118,542,227.90 = 35,274,135.69/x
  3. Step 3: Cross multiply
    78,996,756.33x = 118,542,227.90 × 35,274,135.69
  4. Step 4: Simplify right side
    78,996,756.33x = 4,181,474,631,763,132.50
  5. Step 5: Solve for x
    x = 4,181,474,631,763,132.50/78,996,756.33
  6. Step 6: Final answer
    x = 52,932,231.98

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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.