Home / 76,296,528.38-105,291,977.88-43,707,778.94

Finding the Fourth Proportional to 76,296,528.38, 105,291,977.88 and 43,707,778.94

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Solution

The fourth proportional to 76,296,528.38, 105,291,977.88 and 43,707,778.94 is: 60,318,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,296,528.38 : 105,291,977.88 = 43,707,778.94 : x
  2. Step 2: Convert to fraction form
    76,296,528.38/105,291,977.88 = 43,707,778.94/x
  3. Step 3: Cross multiply
    76,296,528.38x = 105,291,977.88 × 43,707,778.94
  4. Step 4: Simplify right side
    76,296,528.38x = 4,602,078,493,334,409
  5. Step 5: Solve for x
    x = 4,602,078,493,334,409/76,296,528.38
  6. Step 6: Final answer
    x = 60,318,321.04

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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.