Home / 357,449,108.60-536,173,662.90-221,400,212.60

Finding the Fourth Proportional to 357,449,108.60, 536,173,662.90 and 221,400,212.60

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Solution

The fourth proportional to 357,449,108.60, 536,173,662.90 and 221,400,212.60 is: 332,100,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,449,108.60 : 536,173,662.90 = 221,400,212.60 : x
  2. Step 2: Convert to fraction form
    357,449,108.60/536,173,662.90 = 221,400,212.60/x
  3. Step 3: Cross multiply
    357,449,108.60x = 536,173,662.90 × 221,400,212.60
  4. Step 4: Simplify right side
    357,449,108.60x = 118,708,962,956,580,720
  5. Step 5: Solve for x
    x = 118,708,962,956,580,720/357,449,108.60
  6. Step 6: Final answer
    x = 332,100,318.90

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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.