Home / 231,787,014,447.40-347,680,521,671.10-82,731,843,989.80

Finding the Fourth Proportional to 231,787,014,447.40, 347,680,521,671.10 and 82,731,843,989.80

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Solution

The fourth proportional to 231,787,014,447.40, 347,680,521,671.10 and 82,731,843,989.80 is: 124,097,765,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,014,447.40 : 347,680,521,671.10 = 82,731,843,989.80 : x
  2. Step 2: Convert to fraction form
    231,787,014,447.40/347,680,521,671.10 = 82,731,843,989.80/x
  3. Step 3: Cross multiply
    231,787,014,447.40x = 347,680,521,671.10 × 82,731,843,989.80
  4. Step 4: Simplify right side
    231,787,014,447.40x = 28,764,250,677,185,722,974,208
  5. Step 5: Solve for x
    x = 28,764,250,677,185,722,974,208/231,787,014,447.40
  6. Step 6: Final answer
    x = 124,097,765,984.70

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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.