Home / 193,631,995.20-290,499,314.40-84,410,299.20

Finding the Fourth Proportional to 193,631,995.20, 290,499,314.40 and 84,410,299.20

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Solution

The fourth proportional to 193,631,995.20, 290,499,314.40 and 84,410,299.20 is: 126,637,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,631,995.20 : 290,499,314.40 = 84,410,299.20 : x
  2. Step 2: Convert to fraction form
    193,631,995.20/290,499,314.40 = 84,410,299.20/x
  3. Step 3: Cross multiply
    193,631,995.20x = 290,499,314.40 × 84,410,299.20
  4. Step 4: Simplify right side
    193,631,995.20x = 24,521,134,045,898,868
  5. Step 5: Solve for x
    x = 24,521,134,045,898,868/193,631,995.20
  6. Step 6: Final answer
    x = 126,637,821.51

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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.