Home / 152,297,925.44-209,968,146.96-121,040,349.44

Finding the Fourth Proportional to 152,297,925.44, 209,968,146.96 and 121,040,349.44

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Solution

The fourth proportional to 152,297,925.44, 209,968,146.96 and 121,040,349.44 is: 166,874,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,297,925.44 : 209,968,146.96 = 121,040,349.44 : x
  2. Step 2: Convert to fraction form
    152,297,925.44/209,968,146.96 = 121,040,349.44/x
  3. Step 3: Cross multiply
    152,297,925.44x = 209,968,146.96 × 121,040,349.44
  4. Step 4: Simplify right side
    152,297,925.44x = 25,414,617,879,307,676
  5. Step 5: Solve for x
    x = 25,414,617,879,307,676/152,297,925.44
  6. Step 6: Final answer
    x = 166,874,353.71

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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.