Home / 231,784,641.60-347,676,962.40-228,383,419.20

Finding the Fourth Proportional to 231,784,641.60, 347,676,962.40 and 228,383,419.20

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Solution

The fourth proportional to 231,784,641.60, 347,676,962.40 and 228,383,419.20 is: 342,575,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,784,641.60 : 347,676,962.40 = 228,383,419.20 : x
  2. Step 2: Convert to fraction form
    231,784,641.60/347,676,962.40 = 228,383,419.20/x
  3. Step 3: Cross multiply
    231,784,641.60x = 347,676,962.40 × 228,383,419.20
  4. Step 4: Simplify right side
    231,784,641.60x = 79,403,653,449,981,824
  5. Step 5: Solve for x
    x = 79,403,653,449,981,824/231,784,641.60
  6. Step 6: Final answer
    x = 342,575,128.80

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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.