Home / 201,899,072.80-302,848,609.20-200,623,614.40

Finding the Fourth Proportional to 201,899,072.80, 302,848,609.20 and 200,623,614.40

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Solution

The fourth proportional to 201,899,072.80, 302,848,609.20 and 200,623,614.40 is: 300,935,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,899,072.80 : 302,848,609.20 = 200,623,614.40 : x
  2. Step 2: Convert to fraction form
    201,899,072.80/302,848,609.20 = 200,623,614.40/x
  3. Step 3: Cross multiply
    201,899,072.80x = 302,848,609.20 × 200,623,614.40
  4. Step 4: Simplify right side
    201,899,072.80x = 60,758,582,593,717,088
  5. Step 5: Solve for x
    x = 60,758,582,593,717,088/201,899,072.80
  6. Step 6: Final answer
    x = 300,935,421.60

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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.