Home / 383,670,086.55-575,505,129.83-141,427,468.95

Finding the Fourth Proportional to 383,670,086.55, 575,505,129.83 and 141,427,468.95

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Solution

The fourth proportional to 383,670,086.55, 575,505,129.83 and 141,427,468.95 is: 212,141,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,670,086.55 : 575,505,129.83 = 141,427,468.95 : x
  2. Step 2: Convert to fraction form
    383,670,086.55/575,505,129.83 = 141,427,468.95/x
  3. Step 3: Cross multiply
    383,670,086.55x = 575,505,129.83 × 141,427,468.95
  4. Step 4: Simplify right side
    383,670,086.55x = 81,392,233,878,890,912
  5. Step 5: Solve for x
    x = 81,392,233,878,890,912/383,670,086.55
  6. Step 6: Final answer
    x = 212,141,203.43

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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.