Home / 231,787,014,435.40-347,680,521,653.10-82,731,843,977.80

Finding the Fourth Proportional to 231,787,014,435.40, 347,680,521,653.10 and 82,731,843,977.80

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Solution

The fourth proportional to 231,787,014,435.40, 347,680,521,653.10 and 82,731,843,977.80 is: 124,097,765,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,014,435.40 : 347,680,521,653.10 = 82,731,843,977.80 : x
  2. Step 2: Convert to fraction form
    231,787,014,435.40/347,680,521,653.10 = 82,731,843,977.80/x
  3. Step 3: Cross multiply
    231,787,014,435.40x = 347,680,521,653.10 × 82,731,843,977.80
  4. Step 4: Simplify right side
    231,787,014,435.40x = 28,764,250,671,524,381,458,432
  5. Step 5: Solve for x
    x = 28,764,250,671,524,381,458,432/231,787,014,435.40
  6. Step 6: Final answer
    x = 124,097,765,966.70

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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.