Home / 290,322,405.30-435,609,579.15-146,715,237.30

Finding the Fourth Proportional to 290,322,405.30, 435,609,579.15 and 146,715,237.30

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Solution

The fourth proportional to 290,322,405.30, 435,609,579.15 and 146,715,237.30 is: 220,136,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,322,405.30 : 435,609,579.15 = 146,715,237.30 : x
  2. Step 2: Convert to fraction form
    290,322,405.30/435,609,579.15 = 146,715,237.30/x
  3. Step 3: Cross multiply
    290,322,405.30x = 435,609,579.15 × 146,715,237.30
  4. Step 4: Simplify right side
    290,322,405.30x = 63,910,562,775,145,384
  5. Step 5: Solve for x
    x = 63,910,562,775,145,384/290,322,405.30
  6. Step 6: Final answer
    x = 220,136,515.85

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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.