Home / 196,237,019.91-270,818,978.32-108,130,910.97

Finding the Fourth Proportional to 196,237,019.91, 270,818,978.32 and 108,130,910.97

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Solution

The fourth proportional to 196,237,019.91, 270,818,978.32 and 108,130,910.97 is: 149,227,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,237,019.91 : 270,818,978.32 = 108,130,910.97 : x
  2. Step 2: Convert to fraction form
    196,237,019.91/270,818,978.32 = 108,130,910.97/x
  3. Step 3: Cross multiply
    196,237,019.91x = 270,818,978.32 × 108,130,910.97
  4. Step 4: Simplify right side
    196,237,019.91x = 29,283,902,833,706,280
  5. Step 5: Solve for x
    x = 29,283,902,833,706,280/196,237,019.91
  6. Step 6: Final answer
    x = 149,227,209.26

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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.