Home / 194,219,935.10-291,245,921.85-97,138,130.30

Finding the Fourth Proportional to 194,219,935.10, 291,245,921.85 and 97,138,130.30

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Solution

The fourth proportional to 194,219,935.10, 291,245,921.85 and 97,138,130.30 is: 145,665,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,219,935.10 : 291,245,921.85 = 97,138,130.30 : x
  2. Step 2: Convert to fraction form
    194,219,935.10/291,245,921.85 = 97,138,130.30/x
  3. Step 3: Cross multiply
    194,219,935.10x = 291,245,921.85 × 97,138,130.30
  4. Step 4: Simplify right side
    194,219,935.10x = 28,291,084,306,008,920
  5. Step 5: Solve for x
    x = 28,291,084,306,008,920/194,219,935.10
  6. Step 6: Final answer
    x = 145,665,192.87

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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.