Home / 199,319,692.20-298,979,538.30-197,975,999.40

Finding the Fourth Proportional to 199,319,692.20, 298,979,538.30 and 197,975,999.40

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Solution

The fourth proportional to 199,319,692.20, 298,979,538.30 and 197,975,999.40 is: 296,963,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,319,692.20 : 298,979,538.30 = 197,975,999.40 : x
  2. Step 2: Convert to fraction form
    199,319,692.20/298,979,538.30 = 197,975,999.40/x
  3. Step 3: Cross multiply
    199,319,692.20x = 298,979,538.30 × 197,975,999.40
  4. Step 4: Simplify right side
    199,319,692.20x = 59,190,772,895,093,080
  5. Step 5: Solve for x
    x = 59,190,772,895,093,080/199,319,692.20
  6. Step 6: Final answer
    x = 296,963,999.10

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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.