Home / 136,340,235.56-188,154,167.54-80,633,408.96

Finding the Fourth Proportional to 136,340,235.56, 188,154,167.54 and 80,633,408.96

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Solution

The fourth proportional to 136,340,235.56, 188,154,167.54 and 80,633,408.96 is: 111,276,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,235.56 : 188,154,167.54 = 80,633,408.96 : x
  2. Step 2: Convert to fraction form
    136,340,235.56/188,154,167.54 = 80,633,408.96/x
  3. Step 3: Cross multiply
    136,340,235.56x = 188,154,167.54 × 80,633,408.96
  4. Step 4: Simplify right side
    136,340,235.56x = 15,171,511,938,781,176
  5. Step 5: Solve for x
    x = 15,171,511,938,781,176/136,340,235.56
  6. Step 6: Final answer
    x = 111,276,849.98

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1.5x scale

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.