Home / 54,911,668.89-75,777,895.13-30,132,270.34

Finding the Fourth Proportional to 54,911,668.89, 75,777,895.13 and 30,132,270.34

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Solution

The fourth proportional to 54,911,668.89, 75,777,895.13 and 30,132,270.34 is: 41,582,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911,668.89 : 75,777,895.13 = 30,132,270.34 : x
  2. Step 2: Convert to fraction form
    54,911,668.89/75,777,895.13 = 30,132,270.34/x
  3. Step 3: Cross multiply
    54,911,668.89x = 75,777,895.13 × 30,132,270.34
  4. Step 4: Simplify right side
    54,911,668.89x = 2,283,360,021,853,329.50
  5. Step 5: Solve for x
    x = 2,283,360,021,853,329.50/54,911,668.89
  6. Step 6: Final answer
    x = 41,582,418.97

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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.