Home / 196,695,867-271,475,827.08-117,316,016.84

Finding the Fourth Proportional to 196,695,867, 271,475,827.08 and 117,316,016.84

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Solution

The fourth proportional to 196,695,867, 271,475,827.08 and 117,316,016.84 is: 161,917,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,695,867 : 271,475,827.08 = 117,316,016.84 : x
  2. Step 2: Convert to fraction form
    196,695,867/271,475,827.08 = 117,316,016.84/x
  3. Step 3: Cross multiply
    196,695,867x = 271,475,827.08 × 117,316,016.84
  4. Step 4: Simplify right side
    196,695,867x = 31,848,462,701,370,208
  5. Step 5: Solve for x
    x = 31,848,462,701,370,208/196,695,867
  6. Step 6: Final answer
    x = 161,917,294.89

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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.