Home / 274,617,490.10-378,611,521.10-198,171,597.80

Finding the Fourth Proportional to 274,617,490.10, 378,611,521.10 and 198,171,597.80

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Solution

The fourth proportional to 274,617,490.10, 378,611,521.10 and 198,171,597.80 is: 273,216,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,490.10 : 378,611,521.10 = 198,171,597.80 : x
  2. Step 2: Convert to fraction form
    274,617,490.10/378,611,521.10 = 198,171,597.80/x
  3. Step 3: Cross multiply
    274,617,490.10x = 378,611,521.10 × 198,171,597.80
  4. Step 4: Simplify right side
    274,617,490.10x = 75,030,050,081,875,424
  5. Step 5: Solve for x
    x = 75,030,050,081,875,424/274,617,490.10
  6. Step 6: Final answer
    x = 273,216,575.01

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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.