Home / 198,923,372.51-272,526,008.16-191,467,826.16

Finding the Fourth Proportional to 198,923,372.51, 272,526,008.16 and 191,467,826.16

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Solution

The fourth proportional to 198,923,372.51, 272,526,008.16 and 191,467,826.16 is: 262,311,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,923,372.51 : 272,526,008.16 = 191,467,826.16 : x
  2. Step 2: Convert to fraction form
    198,923,372.51/272,526,008.16 = 191,467,826.16/x
  3. Step 3: Cross multiply
    198,923,372.51x = 272,526,008.16 × 191,467,826.16
  4. Step 4: Simplify right side
    198,923,372.51x = 52,179,962,354,457,624
  5. Step 5: Solve for x
    x = 52,179,962,354,457,624/198,923,372.51
  6. Step 6: Final answer
    x = 262,311,872.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.