Home / 209,320,279.34-313,989,076.26-61,767,840.26

Finding the Fourth Proportional to 209,320,279.34, 313,989,076.26 and 61,767,840.26

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Solution

The fourth proportional to 209,320,279.34, 313,989,076.26 and 61,767,840.26 is: 92,654,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,320,279.34 : 313,989,076.26 = 61,767,840.26 : x
  2. Step 2: Convert to fraction form
    209,320,279.34/313,989,076.26 = 61,767,840.26/x
  3. Step 3: Cross multiply
    209,320,279.34x = 313,989,076.26 × 61,767,840.26
  4. Step 4: Simplify right side
    209,320,279.34x = 19,394,427,105,812,636
  5. Step 5: Solve for x
    x = 19,394,427,105,812,636/209,320,279.34
  6. Step 6: Final answer
    x = 92,654,315.04

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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.