Home / 178,839,373.80-268,259,060.70-161,833,261.80

Finding the Fourth Proportional to 178,839,373.80, 268,259,060.70 and 161,833,261.80

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Solution

The fourth proportional to 178,839,373.80, 268,259,060.70 and 161,833,261.80 is: 242,749,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,839,373.80 : 268,259,060.70 = 161,833,261.80 : x
  2. Step 2: Convert to fraction form
    178,839,373.80/268,259,060.70 = 161,833,261.80/x
  3. Step 3: Cross multiply
    178,839,373.80x = 268,259,060.70 × 161,833,261.80
  4. Step 4: Simplify right side
    178,839,373.80x = 43,413,238,800,485,192
  5. Step 5: Solve for x
    x = 43,413,238,800,485,192/178,839,373.80
  6. Step 6: Final answer
    x = 242,749,892.70

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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.