Home / 303,784,738.74-419,214,349.80-178,334,919.54

Finding the Fourth Proportional to 303,784,738.74, 419,214,349.80 and 178,334,919.54

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Solution

The fourth proportional to 303,784,738.74, 419,214,349.80 and 178,334,919.54 is: 246,097,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,784,738.74 : 419,214,349.80 = 178,334,919.54 : x
  2. Step 2: Convert to fraction form
    303,784,738.74/419,214,349.80 = 178,334,919.54/x
  3. Step 3: Cross multiply
    303,784,738.74x = 419,214,349.80 × 178,334,919.54
  4. Step 4: Simplify right side
    303,784,738.74x = 74,760,557,341,596,416
  5. Step 5: Solve for x
    x = 74,760,557,341,596,416/303,784,738.74
  6. Step 6: Final answer
    x = 246,097,146.46

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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.