Home / 216,438,611.44-298,677,281.72-117,317,230.60

Finding the Fourth Proportional to 216,438,611.44, 298,677,281.72 and 117,317,230.60

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Solution

The fourth proportional to 216,438,611.44, 298,677,281.72 and 117,317,230.60 is: 161,893,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,611.44 : 298,677,281.72 = 117,317,230.60 : x
  2. Step 2: Convert to fraction form
    216,438,611.44/298,677,281.72 = 117,317,230.60/x
  3. Step 3: Cross multiply
    216,438,611.44x = 298,677,281.72 × 117,317,230.60
  4. Step 4: Simplify right side
    216,438,611.44x = 35,039,991,534,526,408
  5. Step 5: Solve for x
    x = 35,039,991,534,526,408/216,438,611.44
  6. Step 6: Final answer
    x = 161,893,440.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.