Home / 112,123,480.80-168,185,221.20-66,773,848.80

Finding the Fourth Proportional to 112,123,480.80, 168,185,221.20 and 66,773,848.80

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Solution

The fourth proportional to 112,123,480.80, 168,185,221.20 and 66,773,848.80 is: 100,160,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123,480.80 : 168,185,221.20 = 66,773,848.80 : x
  2. Step 2: Convert to fraction form
    112,123,480.80/168,185,221.20 = 66,773,848.80/x
  3. Step 3: Cross multiply
    112,123,480.80x = 168,185,221.20 × 66,773,848.80
  4. Step 4: Simplify right side
    112,123,480.80x = 11,230,374,530,803,354
  5. Step 5: Solve for x
    x = 11,230,374,530,803,354/112,123,480.80
  6. Step 6: Final answer
    x = 100,160,773.20

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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.