Home / 79,489,888.40-119,234,832.60-28,373,574.80

Finding the Fourth Proportional to 79,489,888.40, 119,234,832.60 and 28,373,574.80

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Solution

The fourth proportional to 79,489,888.40, 119,234,832.60 and 28,373,574.80 is: 42,560,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,489,888.40 : 119,234,832.60 = 28,373,574.80 : x
  2. Step 2: Convert to fraction form
    79,489,888.40/119,234,832.60 = 28,373,574.80/x
  3. Step 3: Cross multiply
    79,489,888.40x = 119,234,832.60 × 28,373,574.80
  4. Step 4: Simplify right side
    79,489,888.40x = 3,383,118,441,541,578.50
  5. Step 5: Solve for x
    x = 3,383,118,441,541,578.50/79,489,888.40
  6. Step 6: Final answer
    x = 42,560,362.20

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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.