Home / 201,667,622.40-302,501,433.60-199,754,434.80

Finding the Fourth Proportional to 201,667,622.40, 302,501,433.60 and 199,754,434.80

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Solution

The fourth proportional to 201,667,622.40, 302,501,433.60 and 199,754,434.80 is: 299,631,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667,622.40 : 302,501,433.60 = 199,754,434.80 : x
  2. Step 2: Convert to fraction form
    201,667,622.40/302,501,433.60 = 199,754,434.80/x
  3. Step 3: Cross multiply
    201,667,622.40x = 302,501,433.60 × 199,754,434.80
  4. Step 4: Simplify right side
    201,667,622.40x = 60,426,002,894,957,736
  5. Step 5: Solve for x
    x = 60,426,002,894,957,736/201,667,622.40
  6. Step 6: Final answer
    x = 299,631,652.20

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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.