Home / 75,314,589.43-103,935,668.25-42,277,220.68

Finding the Fourth Proportional to 75,314,589.43, 103,935,668.25 and 42,277,220.68

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Solution

The fourth proportional to 75,314,589.43, 103,935,668.25 and 42,277,220.68 is: 58,343,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,314,589.43 : 103,935,668.25 = 42,277,220.68 : x
  2. Step 2: Convert to fraction form
    75,314,589.43/103,935,668.25 = 42,277,220.68/x
  3. Step 3: Cross multiply
    75,314,589.43x = 103,935,668.25 × 42,277,220.68
  4. Step 4: Simplify right side
    75,314,589.43x = 4,394,111,183,128,519.50
  5. Step 5: Solve for x
    x = 4,394,111,183,128,519.50/75,314,589.43
  6. Step 6: Final answer
    x = 58,343,426.11

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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.