Home / 55,440,467.62-83,102,058.54-20,881,916.44

Finding the Fourth Proportional to 55,440,467.62, 83,102,058.54 and 20,881,916.44

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Solution

The fourth proportional to 55,440,467.62, 83,102,058.54 and 20,881,916.44 is: 31,300,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440,467.62 : 83,102,058.54 = 20,881,916.44 : x
  2. Step 2: Convert to fraction form
    55,440,467.62/83,102,058.54 = 20,881,916.44/x
  3. Step 3: Cross multiply
    55,440,467.62x = 83,102,058.54 × 20,881,916.44
  4. Step 4: Simplify right side
    55,440,467.62x = 1,735,330,242,216,513.50
  5. Step 5: Solve for x
    x = 1,735,330,242,216,513.50/55,440,467.62
  6. Step 6: Final answer
    x = 31,300,786.53

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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.