Home / 72,831,861.25-109,176,785.25-29,099,581.36

Finding the Fourth Proportional to 72,831,861.25, 109,176,785.25 and 29,099,581.36

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Solution

The fourth proportional to 72,831,861.25, 109,176,785.25 and 29,099,581.36 is: 43,621,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831,861.25 : 109,176,785.25 = 29,099,581.36 : x
  2. Step 2: Convert to fraction form
    72,831,861.25/109,176,785.25 = 29,099,581.36/x
  3. Step 3: Cross multiply
    72,831,861.25x = 109,176,785.25 × 29,099,581.36
  4. Step 4: Simplify right side
    72,831,861.25x = 3,176,998,745,005,623
  5. Step 5: Solve for x
    x = 3,176,998,745,005,623/72,831,861.25
  6. Step 6: Final answer
    x = 43,621,001.72

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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.