Home / 201,384,047.70-302,076,071.55-178,690,569.30

Finding the Fourth Proportional to 201,384,047.70, 302,076,071.55 and 178,690,569.30

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Solution

The fourth proportional to 201,384,047.70, 302,076,071.55 and 178,690,569.30 is: 268,035,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,384,047.70 : 302,076,071.55 = 178,690,569.30 : x
  2. Step 2: Convert to fraction form
    201,384,047.70/302,076,071.55 = 178,690,569.30/x
  3. Step 3: Cross multiply
    201,384,047.70x = 302,076,071.55 × 178,690,569.30
  4. Step 4: Simplify right side
    201,384,047.70x = 53,978,145,197,177,040
  5. Step 5: Solve for x
    x = 53,978,145,197,177,040/201,384,047.70
  6. Step 6: Final answer
    x = 268,035,853.95

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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.