Home / 92,945,371.27-128,263,903.42-51,128,536.45

Finding the Fourth Proportional to 92,945,371.27, 128,263,903.42 and 51,128,536.45

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Solution

The fourth proportional to 92,945,371.27, 128,263,903.42 and 51,128,536.45 is: 70,556,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945,371.27 : 128,263,903.42 = 51,128,536.45 : x
  2. Step 2: Convert to fraction form
    92,945,371.27/128,263,903.42 = 51,128,536.45/x
  3. Step 3: Cross multiply
    92,945,371.27x = 128,263,903.42 × 51,128,536.45
  4. Step 4: Simplify right side
    92,945,371.27x = 6,557,945,660,331,788
  5. Step 5: Solve for x
    x = 6,557,945,660,331,788/92,945,371.27
  6. Step 6: Final answer
    x = 70,556,990.32

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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.