Home / 222,032,436.80-306,408,390.64-121,559,197.84

Finding the Fourth Proportional to 222,032,436.80, 306,408,390.64 and 121,559,197.84

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Solution

The fourth proportional to 222,032,436.80, 306,408,390.64 and 121,559,197.84 is: 167,753,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,032,436.80 : 306,408,390.64 = 121,559,197.84 : x
  2. Step 2: Convert to fraction form
    222,032,436.80/306,408,390.64 = 121,559,197.84/x
  3. Step 3: Cross multiply
    222,032,436.80x = 306,408,390.64 × 121,559,197.84
  4. Step 4: Simplify right side
    222,032,436.80x = 37,246,758,176,573,848
  5. Step 5: Solve for x
    x = 37,246,758,176,573,848/222,032,436.80
  6. Step 6: Final answer
    x = 167,753,679.21

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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.