Home / 76,647,418.56-105,774,553.08-43,606,956.58

Finding the Fourth Proportional to 76,647,418.56, 105,774,553.08 and 43,606,956.58

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Solution

The fourth proportional to 76,647,418.56, 105,774,553.08 and 43,606,956.58 is: 60,178,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,647,418.56 : 105,774,553.08 = 43,606,956.58 : x
  2. Step 2: Convert to fraction form
    76,647,418.56/105,774,553.08 = 43,606,956.58/x
  3. Step 3: Cross multiply
    76,647,418.56x = 105,774,553.08 × 43,606,956.58
  4. Step 4: Simplify right side
    76,647,418.56x = 4,612,506,343,008,610
  5. Step 5: Solve for x
    x = 4,612,506,343,008,610/76,647,418.56
  6. Step 6: Final answer
    x = 60,178,234.69

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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.