Home / 99,543,612.80-149,315,419.20-27,740,028.80

Finding the Fourth Proportional to 99,543,612.80, 149,315,419.20 and 27,740,028.80

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Solution

The fourth proportional to 99,543,612.80, 149,315,419.20 and 27,740,028.80 is: 41,610,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,543,612.80 : 149,315,419.20 = 27,740,028.80 : x
  2. Step 2: Convert to fraction form
    99,543,612.80/149,315,419.20 = 27,740,028.80/x
  3. Step 3: Cross multiply
    99,543,612.80x = 149,315,419.20 × 27,740,028.80
  4. Step 4: Simplify right side
    99,543,612.80x = 4,142,014,028,892,072.50
  5. Step 5: Solve for x
    x = 4,142,014,028,892,072.50/99,543,612.80
  6. Step 6: Final answer
    x = 41,610,043.20

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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.