Home / 196,916,212.48-271,918,675.38-122,703,429.28

Finding the Fourth Proportional to 196,916,212.48, 271,918,675.38 and 122,703,429.28

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Solution

The fourth proportional to 196,916,212.48, 271,918,675.38 and 122,703,429.28 is: 169,439,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,916,212.48 : 271,918,675.38 = 122,703,429.28 : x
  2. Step 2: Convert to fraction form
    196,916,212.48/271,918,675.38 = 122,703,429.28/x
  3. Step 3: Cross multiply
    196,916,212.48x = 271,918,675.38 × 122,703,429.28
  4. Step 4: Simplify right side
    196,916,212.48x = 33,365,353,954,401,108
  5. Step 5: Solve for x
    x = 33,365,353,954,401,108/196,916,212.48
  6. Step 6: Final answer
    x = 169,439,344.45

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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.