Home / 305,907,494.40-422,147,005.44-166,679,408.64

Finding the Fourth Proportional to 305,907,494.40, 422,147,005.44 and 166,679,408.64

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Solution

The fourth proportional to 305,907,494.40, 422,147,005.44 and 166,679,408.64 is: 230,014,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,907,494.40 : 422,147,005.44 = 166,679,408.64 : x
  2. Step 2: Convert to fraction form
    305,907,494.40/422,147,005.44 = 166,679,408.64/x
  3. Step 3: Cross multiply
    305,907,494.40x = 422,147,005.44 × 166,679,408.64
  4. Step 4: Simplify right side
    305,907,494.40x = 70,363,213,225,886,056
  5. Step 5: Solve for x
    x = 70,363,213,225,886,056/305,907,494.40
  6. Step 6: Final answer
    x = 230,014,676.05

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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.