Home / 242,997,025.77-335,269,448.37-138,536,982.81

Finding the Fourth Proportional to 242,997,025.77, 335,269,448.37 and 138,536,982.81

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Solution

The fourth proportional to 242,997,025.77, 335,269,448.37 and 138,536,982.81 is: 191,143,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,997,025.77 : 335,269,448.37 = 138,536,982.81 : x
  2. Step 2: Convert to fraction form
    242,997,025.77/335,269,448.37 = 138,536,982.81/x
  3. Step 3: Cross multiply
    242,997,025.77x = 335,269,448.37 × 138,536,982.81
  4. Step 4: Simplify right side
    242,997,025.77x = 46,447,217,805,552,872
  5. Step 5: Solve for x
    x = 46,447,217,805,552,872/242,997,025.77
  6. Step 6: Final answer
    x = 191,143,153.54

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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.