Home / 274,211,047.94-378,411,979.61-148,763,243.50

Finding the Fourth Proportional to 274,211,047.94, 378,411,979.61 and 148,763,243.50

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Solution

The fourth proportional to 274,211,047.94, 378,411,979.61 and 148,763,243.50 is: 205,293,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,211,047.94 : 378,411,979.61 = 148,763,243.50 : x
  2. Step 2: Convert to fraction form
    274,211,047.94/378,411,979.61 = 148,763,243.50/x
  3. Step 3: Cross multiply
    274,211,047.94x = 378,411,979.61 × 148,763,243.50
  4. Step 4: Simplify right side
    274,211,047.94x = 56,293,793,465,465,344
  5. Step 5: Solve for x
    x = 56,293,793,465,465,344/274,211,047.94
  6. Step 6: Final answer
    x = 205,293,673.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.