Home / 203,665,785.16-305,695,975.21-192,605,169.35

Finding the Fourth Proportional to 203,665,785.16, 305,695,975.21 and 192,605,169.35

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Solution

The fourth proportional to 203,665,785.16, 305,695,975.21 and 192,605,169.35 is: 289,094,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,665,785.16 : 305,695,975.21 = 192,605,169.35 : x
  2. Step 2: Convert to fraction form
    203,665,785.16/305,695,975.21 = 192,605,169.35/x
  3. Step 3: Cross multiply
    203,665,785.16x = 305,695,975.21 × 192,605,169.35
  4. Step 4: Simplify right side
    203,665,785.16x = 58,878,625,074,043,312
  5. Step 5: Solve for x
    x = 58,878,625,074,043,312/203,665,785.16
  6. Step 6: Final answer
    x = 289,094,336.72

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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.