Home / 206,709,647.56-309,771,981.96-114,633,885.76

Finding the Fourth Proportional to 206,709,647.56, 309,771,981.96 and 114,633,885.76

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Solution

The fourth proportional to 206,709,647.56, 309,771,981.96 and 114,633,885.76 is: 171,788,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,709,647.56 : 309,771,981.96 = 114,633,885.76 : x
  2. Step 2: Convert to fraction form
    206,709,647.56/309,771,981.96 = 114,633,885.76/x
  3. Step 3: Cross multiply
    206,709,647.56x = 309,771,981.96 × 114,633,885.76
  4. Step 4: Simplify right side
    206,709,647.56x = 35,510,365,990,447,112
  5. Step 5: Solve for x
    x = 35,510,365,990,447,112/206,709,647.56
  6. Step 6: Final answer
    x = 171,788,624.33

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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.