Home / 196,695,665.40-271,475,550.36-117,315,824.16

Finding the Fourth Proportional to 196,695,665.40, 271,475,550.36 and 117,315,824.16

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Solution

The fourth proportional to 196,695,665.40, 271,475,550.36 and 117,315,824.16 is: 161,917,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,695,665.40 : 271,475,550.36 = 117,315,824.16 : x
  2. Step 2: Convert to fraction form
    196,695,665.40/271,475,550.36 = 117,315,824.16/x
  3. Step 3: Cross multiply
    196,695,665.40x = 271,475,550.36 × 117,315,824.16
  4. Step 4: Simplify right side
    196,695,665.40x = 31,848,377,929,772,984
  5. Step 5: Solve for x
    x = 31,848,377,929,772,984/196,695,665.40
  6. Step 6: Final answer
    x = 161,917,029.87

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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.