Home / 81,181,372.63-121,792,380.29-23,673,650.35

Finding the Fourth Proportional to 81,181,372.63, 121,792,380.29 and 23,673,650.35

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Solution

The fourth proportional to 81,181,372.63, 121,792,380.29 and 23,673,650.35 is: 35,516,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,181,372.63 : 121,792,380.29 = 23,673,650.35 : x
  2. Step 2: Convert to fraction form
    81,181,372.63/121,792,380.29 = 23,673,650.35/x
  3. Step 3: Cross multiply
    81,181,372.63x = 121,792,380.29 × 23,673,650.35
  4. Step 4: Simplify right side
    81,181,372.63x = 2,883,270,226,279,692
  5. Step 5: Solve for x
    x = 2,883,270,226,279,692/81,181,372.63
  6. Step 6: Final answer
    x = 35,516,401.52

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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.