Home / 196,668,850.10-295,181,734.35-99,692,021.30

Finding the Fourth Proportional to 196,668,850.10, 295,181,734.35 and 99,692,021.30

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Solution

The fourth proportional to 196,668,850.10, 295,181,734.35 and 99,692,021.30 is: 149,628,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,668,850.10 : 295,181,734.35 = 99,692,021.30 : x
  2. Step 2: Convert to fraction form
    196,668,850.10/295,181,734.35 = 99,692,021.30/x
  3. Step 3: Cross multiply
    196,668,850.10x = 295,181,734.35 × 99,692,021.30
  4. Step 4: Simplify right side
    196,668,850.10x = 29,427,263,748,191,144
  5. Step 5: Solve for x
    x = 29,427,263,748,191,144/196,668,850.10
  6. Step 6: Final answer
    x = 149,628,493.45

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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.