Home / 242,997,029.27-335,269,453.20-138,536,986.31

Finding the Fourth Proportional to 242,997,029.27, 335,269,453.20 and 138,536,986.31

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Solution

The fourth proportional to 242,997,029.27, 335,269,453.20 and 138,536,986.31 is: 191,143,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,997,029.27 : 335,269,453.20 = 138,536,986.31 : x
  2. Step 2: Convert to fraction form
    242,997,029.27/335,269,453.20 = 138,536,986.31/x
  3. Step 3: Cross multiply
    242,997,029.27x = 335,269,453.20 × 138,536,986.31
  4. Step 4: Simplify right side
    242,997,029.27x = 46,447,219,646,453,240
  5. Step 5: Solve for x
    x = 46,447,219,646,453,240/242,997,029.27
  6. Step 6: Final answer
    x = 191,143,158.36

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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.