Home / 99,271,840.40-149,029,066.20-56,171,027.60

Finding the Fourth Proportional to 99,271,840.40, 149,029,066.20 and 56,171,027.60

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Solution

The fourth proportional to 99,271,840.40, 149,029,066.20 and 56,171,027.60 is: 84,325,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271,840.40 : 149,029,066.20 = 56,171,027.60 : x
  2. Step 2: Convert to fraction form
    99,271,840.40/149,029,066.20 = 56,171,027.60/x
  3. Step 3: Cross multiply
    99,271,840.40x = 149,029,066.20 × 56,171,027.60
  4. Step 4: Simplify right side
    99,271,840.40x = 8,371,115,790,722,427
  5. Step 5: Solve for x
    x = 8,371,115,790,722,427/99,271,840.40
  6. Step 6: Final answer
    x = 84,325,179.80

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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.