Home / 72,483,944.54-100,029,047.39-39,445,586.17

Finding the Fourth Proportional to 72,483,944.54, 100,029,047.39 and 39,445,586.17

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Solution

The fourth proportional to 72,483,944.54, 100,029,047.39 and 39,445,586.17 is: 54,435,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,483,944.54 : 100,029,047.39 = 39,445,586.17 : x
  2. Step 2: Convert to fraction form
    72,483,944.54/100,029,047.39 = 39,445,586.17/x
  3. Step 3: Cross multiply
    72,483,944.54x = 100,029,047.39 × 39,445,586.17
  4. Step 4: Simplify right side
    72,483,944.54x = 3,945,704,408,247,563
  5. Step 5: Solve for x
    x = 3,945,704,408,247,563/72,483,944.54
  6. Step 6: Final answer
    x = 54,435,564.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.