Home / 378,533,261.80-567,799,892.70-148,509,850.60

Finding the Fourth Proportional to 378,533,261.80, 567,799,892.70 and 148,509,850.60

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Solution

The fourth proportional to 378,533,261.80, 567,799,892.70 and 148,509,850.60 is: 222,764,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,533,261.80 : 567,799,892.70 = 148,509,850.60 : x
  2. Step 2: Convert to fraction form
    378,533,261.80/567,799,892.70 = 148,509,850.60/x
  3. Step 3: Cross multiply
    378,533,261.80x = 567,799,892.70 × 148,509,850.60
  4. Step 4: Simplify right side
    378,533,261.80x = 84,323,877,235,573,040
  5. Step 5: Solve for x
    x = 84,323,877,235,573,040/378,533,261.80
  6. Step 6: Final answer
    x = 222,764,775.90

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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.