Home / 231,817,321.60-347,725,982.40-228,416,099.20

Finding the Fourth Proportional to 231,817,321.60, 347,725,982.40 and 228,416,099.20

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Solution

The fourth proportional to 231,817,321.60, 347,725,982.40 and 228,416,099.20 is: 342,624,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,817,321.60 : 347,725,982.40 = 228,416,099.20 : x
  2. Step 2: Convert to fraction form
    231,817,321.60/347,725,982.40 = 228,416,099.20/x
  3. Step 3: Cross multiply
    231,817,321.60x = 347,725,982.40 × 228,416,099.20
  4. Step 4: Simplify right side
    231,817,321.60x = 79,426,212,490,295,840
  5. Step 5: Solve for x
    x = 79,426,212,490,295,840/231,817,321.60
  6. Step 6: Final answer
    x = 342,624,148.80

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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.