Home / 290,745,322.83-401,233,367.16-158,586,353.82

Finding the Fourth Proportional to 290,745,322.83, 401,233,367.16 and 158,586,353.82

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Solution

The fourth proportional to 290,745,322.83, 401,233,367.16 and 158,586,353.82 is: 218,851,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,745,322.83 : 401,233,367.16 = 158,586,353.82 : x
  2. Step 2: Convert to fraction form
    290,745,322.83/401,233,367.16 = 158,586,353.82/x
  3. Step 3: Cross multiply
    290,745,322.83x = 401,233,367.16 × 158,586,353.82
  4. Step 4: Simplify right side
    290,745,322.83x = 63,630,136,728,825,728
  5. Step 5: Solve for x
    x = 63,630,136,728,825,728/290,745,322.83
  6. Step 6: Final answer
    x = 218,851,798.23

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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.