Home / 55,784,078.56-76,984,001.84-31,004,759.52

Finding the Fourth Proportional to 55,784,078.56, 76,984,001.84 and 31,004,759.52

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Solution

The fourth proportional to 55,784,078.56, 76,984,001.84 and 31,004,759.52 is: 42,787,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784,078.56 : 76,984,001.84 = 31,004,759.52 : x
  2. Step 2: Convert to fraction form
    55,784,078.56/76,984,001.84 = 31,004,759.52/x
  3. Step 3: Cross multiply
    55,784,078.56x = 76,984,001.84 × 31,004,759.52
  4. Step 4: Simplify right side
    55,784,078.56x = 2,386,870,463,936,437.50
  5. Step 5: Solve for x
    x = 2,386,870,463,936,437.50/55,784,078.56
  6. Step 6: Final answer
    x = 42,787,664.97

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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.