Home / 217,219,823.60-325,845,481.80-130,772,087.60

Finding the Fourth Proportional to 217,219,823.60, 325,845,481.80 and 130,772,087.60

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Solution

The fourth proportional to 217,219,823.60, 325,845,481.80 and 130,772,087.60 is: 196,167,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,219,823.60 : 325,845,481.80 = 130,772,087.60 : x
  2. Step 2: Convert to fraction form
    217,219,823.60/325,845,481.80 = 130,772,087.60/x
  3. Step 3: Cross multiply
    217,219,823.60x = 325,845,481.80 × 130,772,087.60
  4. Step 4: Simplify right side
    217,219,823.60x = 42,611,493,890,013,808
  5. Step 5: Solve for x
    x = 42,611,493,890,013,808/217,219,823.60
  6. Step 6: Final answer
    x = 196,167,611.15

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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.