Home / 213,297,429.93-319,665,226.63-90,323,583.30

Finding the Fourth Proportional to 213,297,429.93, 319,665,226.63 and 90,323,583.30

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Solution

The fourth proportional to 213,297,429.93, 319,665,226.63 and 90,323,583.30 is: 135,366,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,297,429.93 : 319,665,226.63 = 90,323,583.30 : x
  2. Step 2: Convert to fraction form
    213,297,429.93/319,665,226.63 = 90,323,583.30/x
  3. Step 3: Cross multiply
    213,297,429.93x = 319,665,226.63 × 90,323,583.30
  4. Step 4: Simplify right side
    213,297,429.93x = 28,873,308,723,804,048
  5. Step 5: Solve for x
    x = 28,873,308,723,804,048/213,297,429.93
  6. Step 6: Final answer
    x = 135,366,416.43

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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.