Home / 290,627,458.24-401,163,078.84-173,189,614.72

Finding the Fourth Proportional to 290,627,458.24, 401,163,078.84 and 173,189,614.72

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Solution

The fourth proportional to 290,627,458.24, 401,163,078.84 and 173,189,614.72 is: 239,059,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,627,458.24 : 401,163,078.84 = 173,189,614.72 : x
  2. Step 2: Convert to fraction form
    290,627,458.24/401,163,078.84 = 173,189,614.72/x
  3. Step 3: Cross multiply
    290,627,458.24x = 401,163,078.84 × 173,189,614.72
  4. Step 4: Simplify right side
    290,627,458.24x = 69,477,279,064,188,576
  5. Step 5: Solve for x
    x = 69,477,279,064,188,576/290,627,458.24
  6. Step 6: Final answer
    x = 239,059,583.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.