Home / 260,336,709.03-359,275,016.60-142,866,243.17

Finding the Fourth Proportional to 260,336,709.03, 359,275,016.60 and 142,866,243.17

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Solution

The fourth proportional to 260,336,709.03, 359,275,016.60 and 142,866,243.17 is: 197,161,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,336,709.03 : 359,275,016.60 = 142,866,243.17 : x
  2. Step 2: Convert to fraction form
    260,336,709.03/359,275,016.60 = 142,866,243.17/x
  3. Step 3: Cross multiply
    260,336,709.03x = 359,275,016.60 × 142,866,243.17
  4. Step 4: Simplify right side
    260,336,709.03x = 51,328,271,886,481,384
  5. Step 5: Solve for x
    x = 51,328,271,886,481,384/260,336,709.03
  6. Step 6: Final answer
    x = 197,161,099.86

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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.