Home / 165,374,970.30-228,220,361.37-90,023,464.98

Finding the Fourth Proportional to 165,374,970.30, 228,220,361.37 and 90,023,464.98

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Solution

The fourth proportional to 165,374,970.30, 228,220,361.37 and 90,023,464.98 is: 124,233,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,374,970.30 : 228,220,361.37 = 90,023,464.98 : x
  2. Step 2: Convert to fraction form
    165,374,970.30/228,220,361.37 = 90,023,464.98/x
  3. Step 3: Cross multiply
    165,374,970.30x = 228,220,361.37 × 90,023,464.98
  4. Step 4: Simplify right side
    165,374,970.30x = 20,545,187,709,515,140
  5. Step 5: Solve for x
    x = 20,545,187,709,515,140/165,374,970.30
  6. Step 6: Final answer
    x = 124,233,961.60

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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.