Home / 290,812,763.52-401,322,915.45-158,653,359.54

Finding the Fourth Proportional to 290,812,763.52, 401,322,915.45 and 158,653,359.54

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Solution

The fourth proportional to 290,812,763.52, 401,322,915.45 and 158,653,359.54 is: 218,942,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,812,763.52 : 401,322,915.45 = 158,653,359.54 : x
  2. Step 2: Convert to fraction form
    290,812,763.52/401,322,915.45 = 158,653,359.54/x
  3. Step 3: Cross multiply
    290,812,763.52x = 401,322,915.45 × 158,653,359.54
  4. Step 4: Simplify right side
    290,812,763.52x = 63,671,228,796,529,864
  5. Step 5: Solve for x
    x = 63,671,228,796,529,864/290,812,763.52
  6. Step 6: Final answer
    x = 218,942,346.36

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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.