Home / 76,296,541.32-105,291,995.86-43,707,791.88

Finding the Fourth Proportional to 76,296,541.32, 105,291,995.86 and 43,707,791.88

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Solution

The fourth proportional to 76,296,541.32, 105,291,995.86 and 43,707,791.88 is: 60,318,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,296,541.32 : 105,291,995.86 = 43,707,791.88 : x
  2. Step 2: Convert to fraction form
    76,296,541.32/105,291,995.86 = 43,707,791.88/x
  3. Step 3: Cross multiply
    76,296,541.32x = 105,291,995.86 × 43,707,791.88
  4. Step 4: Simplify right side
    76,296,541.32x = 4,602,080,641,678,702
  5. Step 5: Solve for x
    x = 4,602,080,641,678,702/76,296,541.32
  6. Step 6: Final answer
    x = 60,318,338.97

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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.