Home / 260,629,956.56-390,944,591.40-66,541,404.80

Finding the Fourth Proportional to 260,629,956.56, 390,944,591.40 and 66,541,404.80

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Solution

The fourth proportional to 260,629,956.56, 390,944,591.40 and 66,541,404.80 is: 99,812,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,629,956.56 : 390,944,591.40 = 66,541,404.80 : x
  2. Step 2: Convert to fraction form
    260,629,956.56/390,944,591.40 = 66,541,404.80/x
  3. Step 3: Cross multiply
    260,629,956.56x = 390,944,591.40 × 66,541,404.80
  4. Step 4: Simplify right side
    260,629,956.56x = 26,014,002,310,717,996
  5. Step 5: Solve for x
    x = 26,014,002,310,717,996/260,629,956.56
  6. Step 6: Final answer
    x = 99,812,019.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.