Home / 53,981,962.28-74,493,255.12-30,784,555.34

Finding the Fourth Proportional to 53,981,962.28, 74,493,255.12 and 30,784,555.34

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Solution

The fourth proportional to 53,981,962.28, 74,493,255.12 and 30,784,555.34 is: 42,481,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981,962.28 : 74,493,255.12 = 30,784,555.34 : x
  2. Step 2: Convert to fraction form
    53,981,962.28/74,493,255.12 = 30,784,555.34/x
  3. Step 3: Cross multiply
    53,981,962.28x = 74,493,255.12 × 30,784,555.34
  4. Step 4: Simplify right side
    53,981,962.28x = 2,293,241,734,698,378.50
  5. Step 5: Solve for x
    x = 2,293,241,734,698,378.50/53,981,962.28
  6. Step 6: Final answer
    x = 42,481,629.75

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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.