Home / 99,646,969.30-149,494,073.55-51,132,310.90

Finding the Fourth Proportional to 99,646,969.30, 149,494,073.55 and 51,132,310.90

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Solution

The fourth proportional to 99,646,969.30, 149,494,073.55 and 51,132,310.90 is: 76,710,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646,969.30 : 149,494,073.55 = 51,132,310.90 : x
  2. Step 2: Convert to fraction form
    99,646,969.30/149,494,073.55 = 51,132,310.90/x
  3. Step 3: Cross multiply
    99,646,969.30x = 149,494,073.55 × 51,132,310.90
  4. Step 4: Simplify right side
    99,646,969.30x = 7,643,977,446,466,067
  5. Step 5: Solve for x
    x = 7,643,977,446,466,067/99,646,969.30
  6. Step 6: Final answer
    x = 76,710,586.38

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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.