Home / 194,219,928.10-291,245,911.35-97,138,123.30

Finding the Fourth Proportional to 194,219,928.10, 291,245,911.35 and 97,138,123.30

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Solution

The fourth proportional to 194,219,928.10, 291,245,911.35 and 97,138,123.30 is: 145,665,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,219,928.10 : 291,245,911.35 = 97,138,123.30 : x
  2. Step 2: Convert to fraction form
    194,219,928.10/291,245,911.35 = 97,138,123.30/x
  3. Step 3: Cross multiply
    194,219,928.10x = 291,245,911.35 × 97,138,123.30
  4. Step 4: Simplify right side
    194,219,928.10x = 28,291,081,247,337,172
  5. Step 5: Solve for x
    x = 28,291,081,247,337,172/194,219,928.10
  6. Step 6: Final answer
    x = 145,665,182.37

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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.