Home / 201,667,021.45-302,500,532.18-99,630,349.45

Finding the Fourth Proportional to 201,667,021.45, 302,500,532.18 and 99,630,349.45

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Solution

The fourth proportional to 201,667,021.45, 302,500,532.18 and 99,630,349.45 is: 149,445,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667,021.45 : 302,500,532.18 = 99,630,349.45 : x
  2. Step 2: Convert to fraction form
    201,667,021.45/302,500,532.18 = 99,630,349.45/x
  3. Step 3: Cross multiply
    201,667,021.45x = 302,500,532.18 × 99,630,349.45
  4. Step 4: Simplify right side
    201,667,021.45x = 30,138,233,729,904,372
  5. Step 5: Solve for x
    x = 30,138,233,729,904,372/201,667,021.45
  6. Step 6: Final answer
    x = 149,445,524.18

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1.5x scale

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.