Home / 103,612,559.70-155,391,748.35-30,809,730.90

Finding the Fourth Proportional to 103,612,559.70, 155,391,748.35 and 30,809,730.90

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Solution

The fourth proportional to 103,612,559.70, 155,391,748.35 and 30,809,730.90 is: 46,206,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612,559.70 : 155,391,748.35 = 30,809,730.90 : x
  2. Step 2: Convert to fraction form
    103,612,559.70/155,391,748.35 = 30,809,730.90/x
  3. Step 3: Cross multiply
    103,612,559.70x = 155,391,748.35 × 30,809,730.90
  4. Step 4: Simplify right side
    103,612,559.70x = 4,787,577,950,744,019
  5. Step 5: Solve for x
    x = 4,787,577,950,744,019/103,612,559.70
  6. Step 6: Final answer
    x = 46,206,540.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.