Home / 194,219,921.10-291,245,900.85-97,138,116.30

Finding the Fourth Proportional to 194,219,921.10, 291,245,900.85 and 97,138,116.30

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Solution

The fourth proportional to 194,219,921.10, 291,245,900.85 and 97,138,116.30 is: 145,665,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,219,921.10 : 291,245,900.85 = 97,138,116.30 : x
  2. Step 2: Convert to fraction form
    194,219,921.10/291,245,900.85 = 97,138,116.30/x
  3. Step 3: Cross multiply
    194,219,921.10x = 291,245,900.85 × 97,138,116.30
  4. Step 4: Simplify right side
    194,219,921.10x = 28,291,078,188,665,572
  5. Step 5: Solve for x
    x = 28,291,078,188,665,572/194,219,921.10
  6. Step 6: Final answer
    x = 145,665,171.88

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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.