Home / 343,401,090.45-515,313,506.82-159,134,220.37

Finding the Fourth Proportional to 343,401,090.45, 515,313,506.82 and 159,134,220.37

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Solution

The fourth proportional to 343,401,090.45, 515,313,506.82 and 159,134,220.37 is: 238,799,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,401,090.45 : 515,313,506.82 = 159,134,220.37 : x
  2. Step 2: Convert to fraction form
    343,401,090.45/515,313,506.82 = 159,134,220.37/x
  3. Step 3: Cross multiply
    343,401,090.45x = 515,313,506.82 × 159,134,220.37
  4. Step 4: Simplify right side
    343,401,090.45x = 82,004,013,152,552,064
  5. Step 5: Solve for x
    x = 82,004,013,152,552,064/343,401,090.45
  6. Step 6: Final answer
    x = 238,799,512.97

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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.