Home / 231,787,014,428.40-347,680,521,642.60-82,731,843,970.80

Finding the Fourth Proportional to 231,787,014,428.40, 347,680,521,642.60 and 82,731,843,970.80

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Solution

The fourth proportional to 231,787,014,428.40, 347,680,521,642.60 and 82,731,843,970.80 is: 124,097,765,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,014,428.40 : 347,680,521,642.60 = 82,731,843,970.80 : x
  2. Step 2: Convert to fraction form
    231,787,014,428.40/347,680,521,642.60 = 82,731,843,970.80/x
  3. Step 3: Cross multiply
    231,787,014,428.40x = 347,680,521,642.60 × 82,731,843,970.80
  4. Step 4: Simplify right side
    231,787,014,428.40x = 28,764,250,668,221,933,289,472
  5. Step 5: Solve for x
    x = 28,764,250,668,221,933,289,472/231,787,014,428.40
  6. Step 6: Final answer
    x = 124,097,765,956.20

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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.