Home / 201,667,208.20-302,500,812.30-99,630,536.20

Finding the Fourth Proportional to 201,667,208.20, 302,500,812.30 and 99,630,536.20

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Solution

The fourth proportional to 201,667,208.20, 302,500,812.30 and 99,630,536.20 is: 149,445,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667,208.20 : 302,500,812.30 = 99,630,536.20 : x
  2. Step 2: Convert to fraction form
    201,667,208.20/302,500,812.30 = 99,630,536.20/x
  3. Step 3: Cross multiply
    201,667,208.20x = 302,500,812.30 × 99,630,536.20
  4. Step 4: Simplify right side
    201,667,208.20x = 30,138,318,130,384,556
  5. Step 5: Solve for x
    x = 30,138,318,130,384,556/201,667,208.20
  6. Step 6: Final answer
    x = 149,445,804.30

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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.