Home / 210,185,226.30-290,056,242.15-117,369,121.26

Finding the Fourth Proportional to 210,185,226.30, 290,056,242.15 and 117,369,121.26

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Solution

The fourth proportional to 210,185,226.30, 290,056,242.15 and 117,369,121.26 is: 161,969,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,185,226.30 : 290,056,242.15 = 117,369,121.26 : x
  2. Step 2: Convert to fraction form
    210,185,226.30/290,056,242.15 = 117,369,121.26/x
  3. Step 3: Cross multiply
    210,185,226.30x = 290,056,242.15 × 117,369,121.26
  4. Step 4: Simplify right side
    210,185,226.30x = 34,043,646,257,123,272
  5. Step 5: Solve for x
    x = 34,043,646,257,123,272/210,185,226.30
  6. Step 6: Final answer
    x = 161,969,739.06

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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.