Home / 181,877,170.08-273,009,964.32-78,297,642.72

Finding the Fourth Proportional to 181,877,170.08, 273,009,964.32 and 78,297,642.72

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Solution

The fourth proportional to 181,877,170.08, 273,009,964.32 and 78,297,642.72 is: 117,530,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,877,170.08 : 273,009,964.32 = 78,297,642.72 : x
  2. Step 2: Convert to fraction form
    181,877,170.08/273,009,964.32 = 78,297,642.72/x
  3. Step 3: Cross multiply
    181,877,170.08x = 273,009,964.32 × 78,297,642.72
  4. Step 4: Simplify right side
    181,877,170.08x = 21,376,036,645,327,308
  5. Step 5: Solve for x
    x = 21,376,036,645,327,308/181,877,170.08
  6. Step 6: Final answer
    x = 117,530,070.63

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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.