Home / 196,220,449.96-294,376,216.48-66,829,181.09

Finding the Fourth Proportional to 196,220,449.96, 294,376,216.48 and 66,829,181.09

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Solution

The fourth proportional to 196,220,449.96, 294,376,216.48 and 66,829,181.09 is: 100,259,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,220,449.96 : 294,376,216.48 = 66,829,181.09 : x
  2. Step 2: Convert to fraction form
    196,220,449.96/294,376,216.48 = 66,829,181.09/x
  3. Step 3: Cross multiply
    196,220,449.96x = 294,376,216.48 × 66,829,181.09
  4. Step 4: Simplify right side
    196,220,449.96x = 19,672,921,478,092,012
  5. Step 5: Solve for x
    x = 19,672,921,478,092,012/196,220,449.96
  6. Step 6: Final answer
    x = 100,259,282.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.