Home / 290,770,279.20-436,155,418.80-106,537,399.20

Finding the Fourth Proportional to 290,770,279.20, 436,155,418.80 and 106,537,399.20

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Solution

The fourth proportional to 290,770,279.20, 436,155,418.80 and 106,537,399.20 is: 159,806,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,770,279.20 : 436,155,418.80 = 106,537,399.20 : x
  2. Step 2: Convert to fraction form
    290,770,279.20/436,155,418.80 = 106,537,399.20/x
  3. Step 3: Cross multiply
    290,770,279.20x = 436,155,418.80 × 106,537,399.20
  4. Step 4: Simplify right side
    290,770,279.20x = 46,466,863,965,938,784
  5. Step 5: Solve for x
    x = 46,466,863,965,938,784/290,770,279.20
  6. Step 6: Final answer
    x = 159,806,098.80

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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.