Home / 100,042,371.63-138,072,972.24-57,647,683.14

Finding the Fourth Proportional to 100,042,371.63, 138,072,972.24 and 57,647,683.14

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Solution

The fourth proportional to 100,042,371.63, 138,072,972.24 and 57,647,683.14 is: 79,562,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,042,371.63 : 138,072,972.24 = 57,647,683.14 : x
  2. Step 2: Convert to fraction form
    100,042,371.63/138,072,972.24 = 57,647,683.14/x
  3. Step 3: Cross multiply
    100,042,371.63x = 138,072,972.24 × 57,647,683.14
  4. Step 4: Simplify right side
    100,042,371.63x = 7,959,586,953,889,537
  5. Step 5: Solve for x
    x = 7,959,586,953,889,537/100,042,371.63
  6. Step 6: Final answer
    x = 79,562,157.76

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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.