Home / 79,741,740.20-119,612,610.30-19,157,466.20

Finding the Fourth Proportional to 79,741,740.20, 119,612,610.30 and 19,157,466.20

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Solution

The fourth proportional to 79,741,740.20, 119,612,610.30 and 19,157,466.20 is: 28,736,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,741,740.20 : 119,612,610.30 = 19,157,466.20 : x
  2. Step 2: Convert to fraction form
    79,741,740.20/119,612,610.30 = 19,157,466.20/x
  3. Step 3: Cross multiply
    79,741,740.20x = 119,612,610.30 × 19,157,466.20
  4. Step 4: Simplify right side
    79,741,740.20x = 2,291,474,538,916,021.50
  5. Step 5: Solve for x
    x = 2,291,474,538,916,021.50/79,741,740.20
  6. Step 6: Final answer
    x = 28,736,199.30

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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.