Home / 198,915,643.60-298,373,465.40-166,630,602.85

Finding the Fourth Proportional to 198,915,643.60, 298,373,465.40 and 166,630,602.85

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Solution

The fourth proportional to 198,915,643.60, 298,373,465.40 and 166,630,602.85 is: 249,945,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915,643.60 : 298,373,465.40 = 166,630,602.85 : x
  2. Step 2: Convert to fraction form
    198,915,643.60/298,373,465.40 = 166,630,602.85/x
  3. Step 3: Cross multiply
    198,915,643.60x = 298,373,465.40 × 166,630,602.85
  4. Step 4: Simplify right side
    198,915,643.60x = 49,718,150,414,045,608
  5. Step 5: Solve for x
    x = 49,718,150,414,045,608/198,915,643.60
  6. Step 6: Final answer
    x = 249,945,904.28

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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.