Home / 198,543,684.80-298,058,138.40-112,342,059.20

Finding the Fourth Proportional to 198,543,684.80, 298,058,138.40 and 112,342,059.20

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Solution

The fourth proportional to 198,543,684.80, 298,058,138.40 and 112,342,059.20 is: 168,650,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,543,684.80 : 298,058,138.40 = 112,342,059.20 : x
  2. Step 2: Convert to fraction form
    198,543,684.80/298,058,138.40 = 112,342,059.20/x
  3. Step 3: Cross multiply
    198,543,684.80x = 298,058,138.40 × 112,342,059.20
  4. Step 4: Simplify right side
    198,543,684.80x = 33,484,465,029,174,592
  5. Step 5: Solve for x
    x = 33,484,465,029,174,592/198,543,684.80
  6. Step 6: Final answer
    x = 168,650,365.60

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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.