Home / 120,948,622.57-166,921,905.87-73,933,216.56

Finding the Fourth Proportional to 120,948,622.57, 166,921,905.87 and 73,933,216.56

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Solution

The fourth proportional to 120,948,622.57, 166,921,905.87 and 73,933,216.56 is: 102,035,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948,622.57 : 166,921,905.87 = 73,933,216.56 : x
  2. Step 2: Convert to fraction form
    120,948,622.57/166,921,905.87 = 73,933,216.56/x
  3. Step 3: Cross multiply
    120,948,622.57x = 166,921,905.87 × 73,933,216.56
  4. Step 4: Simplify right side
    120,948,622.57x = 12,341,073,415,294,646
  5. Step 5: Solve for x
    x = 12,341,073,415,294,646/120,948,622.57
  6. Step 6: Final answer
    x = 102,035,667.32

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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.