Home / 55,731,629.26-83,564,330.31-21,190,556.88

Finding the Fourth Proportional to 55,731,629.26, 83,564,330.31 and 21,190,556.88

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Solution

The fourth proportional to 55,731,629.26, 83,564,330.31 and 21,190,556.88 is: 31,773,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731,629.26 : 83,564,330.31 = 21,190,556.88 : x
  2. Step 2: Convert to fraction form
    55,731,629.26/83,564,330.31 = 21,190,556.88/x
  3. Step 3: Cross multiply
    55,731,629.26x = 83,564,330.31 × 21,190,556.88
  4. Step 4: Simplify right side
    55,731,629.26x = 1,770,774,694,573,163
  5. Step 5: Solve for x
    x = 1,770,774,694,573,163/55,731,629.26
  6. Step 6: Final answer
    x = 31,773,244.71

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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.