Home / 65,270,311.68-90,074,728.98-35,902,400.88

Finding the Fourth Proportional to 65,270,311.68, 90,074,728.98 and 35,902,400.88

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Solution

The fourth proportional to 65,270,311.68, 90,074,728.98 and 35,902,400.88 is: 49,546,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,270,311.68 : 90,074,728.98 = 35,902,400.88 : x
  2. Step 2: Convert to fraction form
    65,270,311.68/90,074,728.98 = 35,902,400.88/x
  3. Step 3: Cross multiply
    65,270,311.68x = 90,074,728.98 × 35,902,400.88
  4. Step 4: Simplify right side
    65,270,311.68x = 3,233,899,028,997,314
  5. Step 5: Solve for x
    x = 3,233,899,028,997,314/65,270,311.68
  6. Step 6: Final answer
    x = 49,546,247.69

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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.