Home / 194,219,923.10-291,245,903.85-97,138,118.30

Finding the Fourth Proportional to 194,219,923.10, 291,245,903.85 and 97,138,118.30

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Solution

The fourth proportional to 194,219,923.10, 291,245,903.85 and 97,138,118.30 is: 145,665,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,219,923.10 : 291,245,903.85 = 97,138,118.30 : x
  2. Step 2: Convert to fraction form
    194,219,923.10/291,245,903.85 = 97,138,118.30/x
  3. Step 3: Cross multiply
    194,219,923.10x = 291,245,903.85 × 97,138,118.30
  4. Step 4: Simplify right side
    194,219,923.10x = 28,291,079,062,571,728
  5. Step 5: Solve for x
    x = 28,291,079,062,571,728/194,219,923.10
  6. Step 6: Final answer
    x = 145,665,174.88

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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.