Home / 51,932,039.81-71,659,971.28-29,912,700.51

Finding the Fourth Proportional to 51,932,039.81, 71,659,971.28 and 29,912,700.51

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Solution

The fourth proportional to 51,932,039.81, 71,659,971.28 and 29,912,700.51 is: 41,275,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,932,039.81 : 71,659,971.28 = 29,912,700.51 : x
  2. Step 2: Convert to fraction form
    51,932,039.81/71,659,971.28 = 29,912,700.51/x
  3. Step 3: Cross multiply
    51,932,039.81x = 71,659,971.28 × 29,912,700.51
  4. Step 4: Simplify right side
    51,932,039.81x = 2,143,543,259,453,841.50
  5. Step 5: Solve for x
    x = 2,143,543,259,453,841.50/51,932,039.81
  6. Step 6: Final answer
    x = 41,275,930.38

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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.