Home / 209,310,164.88-313,941,290.70-55,968,178.74

Finding the Fourth Proportional to 209,310,164.88, 313,941,290.70 and 55,968,178.74

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Solution

The fourth proportional to 209,310,164.88, 313,941,290.70 and 55,968,178.74 is: 83,945,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,310,164.88 : 313,941,290.70 = 55,968,178.74 : x
  2. Step 2: Convert to fraction form
    209,310,164.88/313,941,290.70 = 55,968,178.74/x
  3. Step 3: Cross multiply
    209,310,164.88x = 313,941,290.70 × 55,968,178.74
  4. Step 4: Simplify right side
    209,310,164.88x = 17,570,722,271,763,900
  5. Step 5: Solve for x
    x = 17,570,722,271,763,900/209,310,164.88
  6. Step 6: Final answer
    x = 83,945,862.27

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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.