Home / 30,144,720.80-45,217,081.20-29,892,778.40

Finding the Fourth Proportional to 30,144,720.80, 45,217,081.20 and 29,892,778.40

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Solution

The fourth proportional to 30,144,720.80, 45,217,081.20 and 29,892,778.40 is: 44,839,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144,720.80 : 45,217,081.20 = 29,892,778.40 : x
  2. Step 2: Convert to fraction form
    30,144,720.80/45,217,081.20 = 29,892,778.40/x
  3. Step 3: Cross multiply
    30,144,720.80x = 45,217,081.20 × 29,892,778.40
  4. Step 4: Simplify right side
    30,144,720.80x = 1,351,664,188,206,406
  5. Step 5: Solve for x
    x = 1,351,664,188,206,406/30,144,720.80
  6. Step 6: Final answer
    x = 44,839,167.60

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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.