Home / 257,222,855.68-354,971,568-139,750,512.64

Finding the Fourth Proportional to 257,222,855.68, 354,971,568 and 139,750,512.64

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Solution

The fourth proportional to 257,222,855.68, 354,971,568 and 139,750,512.64 is: 192,857,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,222,855.68 : 354,971,568 = 139,750,512.64 : x
  2. Step 2: Convert to fraction form
    257,222,855.68/354,971,568 = 139,750,512.64/x
  3. Step 3: Cross multiply
    257,222,855.68x = 354,971,568 × 139,750,512.64
  4. Step 4: Simplify right side
    257,222,855.68x = 49,607,458,600,624,616
  5. Step 5: Solve for x
    x = 49,607,458,600,624,616/257,222,855.68
  6. Step 6: Final answer
    x = 192,857,895.42

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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.