Home / 217,546,884.66-300,205,505.52-118,425,568.72

Finding the Fourth Proportional to 217,546,884.66, 300,205,505.52 and 118,425,568.72

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Solution

The fourth proportional to 217,546,884.66, 300,205,505.52 and 118,425,568.72 is: 163,422,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,546,884.66 : 300,205,505.52 = 118,425,568.72 : x
  2. Step 2: Convert to fraction form
    217,546,884.66/300,205,505.52 = 118,425,568.72/x
  3. Step 3: Cross multiply
    217,546,884.66x = 300,205,505.52 × 118,425,568.72
  4. Step 4: Simplify right side
    217,546,884.66x = 35,552,007,724,081,096
  5. Step 5: Solve for x
    x = 35,552,007,724,081,096/217,546,884.66
  6. Step 6: Final answer
    x = 163,422,279.20

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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.