Home / 120,526,924.16-166,320,092.40-65,522,299.52

Finding the Fourth Proportional to 120,526,924.16, 166,320,092.40 and 65,522,299.52

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Solution

The fourth proportional to 120,526,924.16, 166,320,092.40 and 65,522,299.52 is: 90,416,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526,924.16 : 166,320,092.40 = 65,522,299.52 : x
  2. Step 2: Convert to fraction form
    120,526,924.16/166,320,092.40 = 65,522,299.52/x
  3. Step 3: Cross multiply
    120,526,924.16x = 166,320,092.40 × 65,522,299.52
  4. Step 4: Simplify right side
    120,526,924.16x = 10,897,674,910,426,876
  5. Step 5: Solve for x
    x = 10,897,674,910,426,876/120,526,924.16
  6. Step 6: Final answer
    x = 90,416,933.70

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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.