Home / 213,734,098.23-320,808,463.89-103,147,592.61

Finding the Fourth Proportional to 213,734,098.23, 320,808,463.89 and 103,147,592.61

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Solution

The fourth proportional to 213,734,098.23, 320,808,463.89 and 103,147,592.61 is: 154,821,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,098.23 : 320,808,463.89 = 103,147,592.61 : x
  2. Step 2: Convert to fraction form
    213,734,098.23/320,808,463.89 = 103,147,592.61/x
  3. Step 3: Cross multiply
    213,734,098.23x = 320,808,463.89 × 103,147,592.61
  4. Step 4: Simplify right side
    213,734,098.23x = 33,090,620,739,165,616
  5. Step 5: Solve for x
    x = 33,090,620,739,165,616/213,734,098.23
  6. Step 6: Final answer
    x = 154,821,439.41

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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.