Home / 39,190,320.11-54,002,951.33-30,315,880.71

Finding the Fourth Proportional to 39,190,320.11, 54,002,951.33 and 30,315,880.71

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Solution

The fourth proportional to 39,190,320.11, 54,002,951.33 and 30,315,880.71 is: 41,774,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190,320.11 : 54,002,951.33 = 30,315,880.71 : x
  2. Step 2: Convert to fraction form
    39,190,320.11/54,002,951.33 = 30,315,880.71/x
  3. Step 3: Cross multiply
    39,190,320.11x = 54,002,951.33 × 30,315,880.71
  4. Step 4: Simplify right side
    39,190,320.11x = 1,637,147,030,356,636.50
  5. Step 5: Solve for x
    x = 1,637,147,030,356,636.50/39,190,320.11
  6. Step 6: Final answer
    x = 41,774,270.42

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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.