Home / 45,465,827.60-68,173,858.20-18,509,027.60

Finding the Fourth Proportional to 45,465,827.60, 68,173,858.20 and 18,509,027.60

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Solution

The fourth proportional to 45,465,827.60, 68,173,858.20 and 18,509,027.60 is: 27,753,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465,827.60 : 68,173,858.20 = 18,509,027.60 : x
  2. Step 2: Convert to fraction form
    45,465,827.60/68,173,858.20 = 18,509,027.60/x
  3. Step 3: Cross multiply
    45,465,827.60x = 68,173,858.20 × 18,509,027.60
  4. Step 4: Simplify right side
    45,465,827.60x = 1,261,831,823,022,286.50
  5. Step 5: Solve for x
    x = 1,261,831,823,022,286.50/45,465,827.60
  6. Step 6: Final answer
    x = 27,753,411.51

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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.