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Finding the Fourth Proportional to 178,690,123.80, 268,035,185.70 and 178,690,123.80

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Solution

The fourth proportional to 178,690,123.80, 268,035,185.70 and 178,690,123.80 is: 268,035,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,690,123.80 : 268,035,185.70 = 178,690,123.80 : x
  2. Step 2: Convert to fraction form
    178,690,123.80/268,035,185.70 = 178,690,123.80/x
  3. Step 3: Cross multiply
    178,690,123.80x = 268,035,185.70 × 178,690,123.80
  4. Step 4: Simplify right side
    178,690,123.80x = 47,895,240,515,488,992
  5. Step 5: Solve for x
    x = 47,895,240,515,488,992/178,690,123.80
  6. Step 6: Final answer
    x = 268,035,185.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.