Home / 222,032,519.94-306,408,505.24-121,559,280.78

Finding the Fourth Proportional to 222,032,519.94, 306,408,505.24 and 121,559,280.78

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Solution

The fourth proportional to 222,032,519.94, 306,408,505.24 and 121,559,280.78 is: 167,753,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,032,519.94 : 306,408,505.24 = 121,559,280.78 : x
  2. Step 2: Convert to fraction form
    222,032,519.94/306,408,505.24 = 121,559,280.78/x
  3. Step 3: Cross multiply
    222,032,519.94x = 306,408,505.24 × 121,559,280.78
  4. Step 4: Simplify right side
    222,032,519.94x = 37,246,797,521,849,264
  5. Step 5: Solve for x
    x = 37,246,797,521,849,264/222,032,519.94
  6. Step 6: Final answer
    x = 167,753,793.60

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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.