Home / 392,012,158.60-587,973,447.42-104,820,217.48

Finding the Fourth Proportional to 392,012,158.60, 587,973,447.42 and 104,820,217.48

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Solution

The fourth proportional to 392,012,158.60, 587,973,447.42 and 104,820,217.48 is: 157,218,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,012,158.60 : 587,973,447.42 = 104,820,217.48 : x
  2. Step 2: Convert to fraction form
    392,012,158.60/587,973,447.42 = 104,820,217.48/x
  3. Step 3: Cross multiply
    392,012,158.60x = 587,973,447.42 × 104,820,217.48
  4. Step 4: Simplify right side
    392,012,158.60x = 61,631,504,631,029,744
  5. Step 5: Solve for x
    x = 61,631,504,631,029,744/392,012,158.60
  6. Step 6: Final answer
    x = 157,218,349.68

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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.