Home / 84,585,778.02-116,734,149.45-47,916,650.34

Finding the Fourth Proportional to 84,585,778.02, 116,734,149.45 and 47,916,650.34

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Solution

The fourth proportional to 84,585,778.02, 116,734,149.45 and 47,916,650.34 is: 66,128,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,585,778.02 : 116,734,149.45 = 47,916,650.34 : x
  2. Step 2: Convert to fraction form
    84,585,778.02/116,734,149.45 = 47,916,650.34/x
  3. Step 3: Cross multiply
    84,585,778.02x = 116,734,149.45 × 47,916,650.34
  4. Step 4: Simplify right side
    84,585,778.02x = 5,593,509,421,932,954
  5. Step 5: Solve for x
    x = 5,593,509,421,932,954/84,585,778.02
  6. Step 6: Final answer
    x = 66,128,249.37

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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.