Home / 357,449,105.60-536,173,658.40-221,400,209.60

Finding the Fourth Proportional to 357,449,105.60, 536,173,658.40 and 221,400,209.60

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Solution

The fourth proportional to 357,449,105.60, 536,173,658.40 and 221,400,209.60 is: 332,100,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,449,105.60 : 536,173,658.40 = 221,400,209.60 : x
  2. Step 2: Convert to fraction form
    357,449,105.60/536,173,658.40 = 221,400,209.60/x
  3. Step 3: Cross multiply
    357,449,105.60x = 536,173,658.40 × 221,400,209.60
  4. Step 4: Simplify right side
    357,449,105.60x = 118,708,960,351,758,800
  5. Step 5: Solve for x
    x = 118,708,960,351,758,800/357,449,105.60
  6. Step 6: Final answer
    x = 332,100,314.40

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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.