Home / 258,167,337-356,270,932.38-142,273,833

Finding the Fourth Proportional to 258,167,337, 356,270,932.38 and 142,273,833

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Solution

The fourth proportional to 258,167,337, 356,270,932.38 and 142,273,833 is: 196,337,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,167,337 : 356,270,932.38 = 142,273,833 : x
  2. Step 2: Convert to fraction form
    258,167,337/356,270,932.38 = 142,273,833/x
  3. Step 3: Cross multiply
    258,167,337x = 356,270,932.38 × 142,273,833
  4. Step 4: Simplify right side
    258,167,337x = 50,688,031,136,186,408
  5. Step 5: Solve for x
    x = 50,688,031,136,186,408/258,167,337
  6. Step 6: Final answer
    x = 196,337,893.57

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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.