Home / 231,824,411.60-347,736,617.40-228,423,189.20

Finding the Fourth Proportional to 231,824,411.60, 347,736,617.40 and 228,423,189.20

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Solution

The fourth proportional to 231,824,411.60, 347,736,617.40 and 228,423,189.20 is: 342,634,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,411.60 : 347,736,617.40 = 228,423,189.20 : x
  2. Step 2: Convert to fraction form
    231,824,411.60/347,736,617.40 = 228,423,189.20/x
  3. Step 3: Cross multiply
    231,824,411.60x = 347,736,617.40 × 228,423,189.20
  4. Step 4: Simplify right side
    231,824,411.60x = 79,431,107,148,128,208
  5. Step 5: Solve for x
    x = 79,431,107,148,128,208/231,824,411.60
  6. Step 6: Final answer
    x = 342,634,783.80

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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.