Home / 216,647,302.44-298,894,816.98-142,347,880.20

Finding the Fourth Proportional to 216,647,302.44, 298,894,816.98 and 142,347,880.20

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Solution

The fourth proportional to 216,647,302.44, 298,894,816.98 and 142,347,880.20 is: 196,388,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,647,302.44 : 298,894,816.98 = 142,347,880.20 : x
  2. Step 2: Convert to fraction form
    216,647,302.44/298,894,816.98 = 142,347,880.20/x
  3. Step 3: Cross multiply
    216,647,302.44x = 298,894,816.98 × 142,347,880.20
  4. Step 4: Simplify right side
    216,647,302.44x = 42,547,043,599,869,968
  5. Step 5: Solve for x
    x = 42,547,043,599,869,968/216,647,302.44
  6. Step 6: Final answer
    x = 196,388,522.36

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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.