Home / 54,313,654.14-74,934,500.31-30,789,668.70

Finding the Fourth Proportional to 54,313,654.14, 74,934,500.31 and 30,789,668.70

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Solution

The fourth proportional to 54,313,654.14, 74,934,500.31 and 30,789,668.70 is: 42,479,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313,654.14 : 74,934,500.31 = 30,789,668.70 : x
  2. Step 2: Convert to fraction form
    54,313,654.14/74,934,500.31 = 30,789,668.70/x
  3. Step 3: Cross multiply
    54,313,654.14x = 74,934,500.31 × 30,789,668.70
  4. Step 4: Simplify right side
    54,313,654.14x = 2,307,208,438,744,947.50
  5. Step 5: Solve for x
    x = 2,307,208,438,744,947.50/54,313,654.14
  6. Step 6: Final answer
    x = 42,479,344.75

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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.