Home / 323,792,408.64-485,722,667.54-105,459,782.93

Finding the Fourth Proportional to 323,792,408.64, 485,722,667.54 and 105,459,782.93

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Solution

The fourth proportional to 323,792,408.64, 485,722,667.54 and 105,459,782.93 is: 158,200,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,792,408.64 : 485,722,667.54 = 105,459,782.93 : x
  2. Step 2: Convert to fraction form
    323,792,408.64/485,722,667.54 = 105,459,782.93/x
  3. Step 3: Cross multiply
    323,792,408.64x = 485,722,667.54 × 105,459,782.93
  4. Step 4: Simplify right side
    323,792,408.64x = 51,224,207,082,605,456
  5. Step 5: Solve for x
    x = 51,224,207,082,605,456/323,792,408.64
  6. Step 6: Final answer
    x = 158,200,766.03

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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.