Home / 196,985,280.06-271,834,945.04-107,673,216.80

Finding the Fourth Proportional to 196,985,280.06, 271,834,945.04 and 107,673,216.80

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Solution

The fourth proportional to 196,985,280.06, 271,834,945.04 and 107,673,216.80 is: 148,586,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,985,280.06 : 271,834,945.04 = 107,673,216.80 : x
  2. Step 2: Convert to fraction form
    196,985,280.06/271,834,945.04 = 107,673,216.80/x
  3. Step 3: Cross multiply
    196,985,280.06x = 271,834,945.04 × 107,673,216.80
  4. Step 4: Simplify right side
    196,985,280.06x = 29,269,342,970,018,016
  5. Step 5: Solve for x
    x = 29,269,342,970,018,016/196,985,280.06
  6. Step 6: Final answer
    x = 148,586,447.48

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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.