Home / 198,054,783.80-296,410,329.30-173,868,313.40

Finding the Fourth Proportional to 198,054,783.80, 296,410,329.30 and 173,868,313.40

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Solution

The fourth proportional to 198,054,783.80, 296,410,329.30 and 173,868,313.40 is: 260,212,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054,783.80 : 296,410,329.30 = 173,868,313.40 : x
  2. Step 2: Convert to fraction form
    198,054,783.80/296,410,329.30 = 173,868,313.40/x
  3. Step 3: Cross multiply
    198,054,783.80x = 296,410,329.30 × 173,868,313.40
  4. Step 4: Simplify right side
    198,054,783.80x = 51,536,364,029,729,608
  5. Step 5: Solve for x
    x = 51,536,364,029,729,608/198,054,783.80
  6. Step 6: Final answer
    x = 260,212,669.65

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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.