Home / 72,831,865.63-109,176,791.81-29,099,585.74

Finding the Fourth Proportional to 72,831,865.63, 109,176,791.81 and 29,099,585.74

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Solution

The fourth proportional to 72,831,865.63, 109,176,791.81 and 29,099,585.74 is: 43,621,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831,865.63 : 109,176,791.81 = 29,099,585.74 : x
  2. Step 2: Convert to fraction form
    72,831,865.63/109,176,791.81 = 29,099,585.74/x
  3. Step 3: Cross multiply
    72,831,865.63x = 109,176,791.81 × 29,099,585.74
  4. Step 4: Simplify right side
    72,831,865.63x = 3,176,999,414,093,224.50
  5. Step 5: Solve for x
    x = 3,176,999,414,093,224.50/72,831,865.63
  6. Step 6: Final answer
    x = 43,621,008.29

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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.