Home / 93,438,110.70-140,157,166.05-55,142,865.90

Finding the Fourth Proportional to 93,438,110.70, 140,157,166.05 and 55,142,865.90

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Solution

The fourth proportional to 93,438,110.70, 140,157,166.05 and 55,142,865.90 is: 82,714,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438,110.70 : 140,157,166.05 = 55,142,865.90 : x
  2. Step 2: Convert to fraction form
    93,438,110.70/140,157,166.05 = 55,142,865.90/x
  3. Step 3: Cross multiply
    93,438,110.70x = 140,157,166.05 × 55,142,865.90
  4. Step 4: Simplify right side
    93,438,110.70x = 7,728,667,812,419,183
  5. Step 5: Solve for x
    x = 7,728,667,812,419,183/93,438,110.70
  6. Step 6: Final answer
    x = 82,714,298.85

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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.