Home / 151,181,803.20-208,630,831.20-82,504,171.20

Finding the Fourth Proportional to 151,181,803.20, 208,630,831.20 and 82,504,171.20

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Solution

The fourth proportional to 151,181,803.20, 208,630,831.20 and 82,504,171.20 is: 113,855,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,181,803.20 : 208,630,831.20 = 82,504,171.20 : x
  2. Step 2: Convert to fraction form
    151,181,803.20/208,630,831.20 = 82,504,171.20/x
  3. Step 3: Cross multiply
    151,181,803.20x = 208,630,831.20 × 82,504,171.20
  4. Step 4: Simplify right side
    151,181,803.20x = 17,212,913,814,923,102
  5. Step 5: Solve for x
    x = 17,212,913,814,923,102/151,181,803.20
  6. Step 6: Final answer
    x = 113,855,725.03

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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.