Home / 290,400,672.70-436,104,893.85-154,351,776.70

Finding the Fourth Proportional to 290,400,672.70, 436,104,893.85 and 154,351,776.70

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Solution

The fourth proportional to 290,400,672.70, 436,104,893.85 and 154,351,776.70 is: 231,795,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,400,672.70 : 436,104,893.85 = 154,351,776.70 : x
  2. Step 2: Convert to fraction form
    290,400,672.70/436,104,893.85 = 154,351,776.70/x
  3. Step 3: Cross multiply
    290,400,672.70x = 436,104,893.85 × 154,351,776.70
  4. Step 4: Simplify right side
    290,400,672.70x = 67,313,565,193,312,400
  5. Step 5: Solve for x
    x = 67,313,565,193,312,400/290,400,672.70
  6. Step 6: Final answer
    x = 231,795,486.45

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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.