Home / 178,010,858.70-267,016,288.05-109,136,105.10

Finding the Fourth Proportional to 178,010,858.70, 267,016,288.05 and 109,136,105.10

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Solution

The fourth proportional to 178,010,858.70, 267,016,288.05 and 109,136,105.10 is: 163,704,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,010,858.70 : 267,016,288.05 = 109,136,105.10 : x
  2. Step 2: Convert to fraction form
    178,010,858.70/267,016,288.05 = 109,136,105.10/x
  3. Step 3: Cross multiply
    178,010,858.70x = 267,016,288.05 × 109,136,105.10
  4. Step 4: Simplify right side
    178,010,858.70x = 29,141,117,676,036,672
  5. Step 5: Solve for x
    x = 29,141,117,676,036,672/178,010,858.70
  6. Step 6: Final answer
    x = 163,704,157.65

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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.