Home / 181,877,171.08-273,009,965.82-78,297,643.72

Finding the Fourth Proportional to 181,877,171.08, 273,009,965.82 and 78,297,643.72

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Solution

The fourth proportional to 181,877,171.08, 273,009,965.82 and 78,297,643.72 is: 117,530,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,877,171.08 : 273,009,965.82 = 78,297,643.72 : x
  2. Step 2: Convert to fraction form
    181,877,171.08/273,009,965.82 = 78,297,643.72/x
  3. Step 3: Cross multiply
    181,877,171.08x = 273,009,965.82 × 78,297,643.72
  4. Step 4: Simplify right side
    181,877,171.08x = 21,376,037,035,783,736
  5. Step 5: Solve for x
    x = 21,376,037,035,783,736/181,877,171.08
  6. Step 6: Final answer
    x = 117,530,072.13

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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.