Home / 196,841,399.96-271,645,136.33-107,539,128.23

Finding the Fourth Proportional to 196,841,399.96, 271,645,136.33 and 107,539,128.23

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Solution

The fourth proportional to 196,841,399.96, 271,645,136.33 and 107,539,128.23 is: 148,406,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,841,399.96 : 271,645,136.33 = 107,539,128.23 : x
  2. Step 2: Convert to fraction form
    196,841,399.96/271,645,136.33 = 107,539,128.23/x
  3. Step 3: Cross multiply
    196,841,399.96x = 271,645,136.33 × 107,539,128.23
  4. Step 4: Simplify right side
    196,841,399.96x = 29,212,481,146,951,776
  5. Step 5: Solve for x
    x = 29,212,481,146,951,776/196,841,399.96
  6. Step 6: Final answer
    x = 148,406,184.64

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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.