Home / 65,416,145.55-90,274,886.42-36,048,529.08

Finding the Fourth Proportional to 65,416,145.55, 90,274,886.42 and 36,048,529.08

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Solution

The fourth proportional to 65,416,145.55, 90,274,886.42 and 36,048,529.08 is: 49,747,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416,145.55 : 90,274,886.42 = 36,048,529.08 : x
  2. Step 2: Convert to fraction form
    65,416,145.55/90,274,886.42 = 36,048,529.08/x
  3. Step 3: Cross multiply
    65,416,145.55x = 90,274,886.42 × 36,048,529.08
  4. Step 4: Simplify right side
    65,416,145.55x = 3,254,276,868,305,067
  5. Step 5: Solve for x
    x = 3,254,276,868,305,067/65,416,145.55
  6. Step 6: Final answer
    x = 49,747,303.83

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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.