Home / 30,144,245.20-45,219,132.60-9,949,531.60

Finding the Fourth Proportional to 30,144,245.20, 45,219,132.60 and 9,949,531.60

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Solution

The fourth proportional to 30,144,245.20, 45,219,132.60 and 9,949,531.60 is: 14,925,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144,245.20 : 45,219,132.60 = 9,949,531.60 : x
  2. Step 2: Convert to fraction form
    30,144,245.20/45,219,132.60 = 9,949,531.60/x
  3. Step 3: Cross multiply
    30,144,245.20x = 45,219,132.60 × 9,949,531.60
  4. Step 4: Simplify right side
    30,144,245.20x = 449,909,188,728,290.19
  5. Step 5: Solve for x
    x = 449,909,188,728,290.19/30,144,245.20
  6. Step 6: Final answer
    x = 14,925,209.96

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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.