Home / 290,142,881.55-435,214,322.33-192,782,890.35

Finding the Fourth Proportional to 290,142,881.55, 435,214,322.33 and 192,782,890.35

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Solution

The fourth proportional to 290,142,881.55, 435,214,322.33 and 192,782,890.35 is: 289,174,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,142,881.55 : 435,214,322.33 = 192,782,890.35 : x
  2. Step 2: Convert to fraction form
    290,142,881.55/435,214,322.33 = 192,782,890.35/x
  3. Step 3: Cross multiply
    290,142,881.55x = 435,214,322.33 × 192,782,890.35
  4. Step 4: Simplify right side
    290,142,881.55x = 83,901,874,979,530,032
  5. Step 5: Solve for x
    x = 83,901,874,979,530,032/290,142,881.55
  6. Step 6: Final answer
    x = 289,174,335.53

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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.