Home / 126,873,855.68-175,096,627.63-71,118,384.80

Finding the Fourth Proportional to 126,873,855.68, 175,096,627.63 and 71,118,384.80

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Solution

The fourth proportional to 126,873,855.68, 175,096,627.63 and 71,118,384.80 is: 98,149,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,873,855.68 : 175,096,627.63 = 71,118,384.80 : x
  2. Step 2: Convert to fraction form
    126,873,855.68/175,096,627.63 = 71,118,384.80/x
  3. Step 3: Cross multiply
    126,873,855.68x = 175,096,627.63 × 71,118,384.80
  4. Step 4: Simplify right side
    126,873,855.68x = 12,452,589,339,919,374
  5. Step 5: Solve for x
    x = 12,452,589,339,919,374/126,873,855.68
  6. Step 6: Final answer
    x = 98,149,372.65

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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.