Home / 198,391,285.80-297,586,928.70-101,314,729.80

Finding the Fourth Proportional to 198,391,285.80, 297,586,928.70 and 101,314,729.80

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Solution

The fourth proportional to 198,391,285.80, 297,586,928.70 and 101,314,729.80 is: 151,972,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,391,285.80 : 297,586,928.70 = 101,314,729.80 : x
  2. Step 2: Convert to fraction form
    198,391,285.80/297,586,928.70 = 101,314,729.80/x
  3. Step 3: Cross multiply
    198,391,285.80x = 297,586,928.70 × 101,314,729.80
  4. Step 4: Simplify right side
    198,391,285.80x = 30,149,939,273,252,364
  5. Step 5: Solve for x
    x = 30,149,939,273,252,364/198,391,285.80
  6. Step 6: Final answer
    x = 151,972,094.70

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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.