Home / 199,282,791.60-298,924,187.40-122,356,378.80

Finding the Fourth Proportional to 199,282,791.60, 298,924,187.40 and 122,356,378.80

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Solution

The fourth proportional to 199,282,791.60, 298,924,187.40 and 122,356,378.80 is: 183,534,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,282,791.60 : 298,924,187.40 = 122,356,378.80 : x
  2. Step 2: Convert to fraction form
    199,282,791.60/298,924,187.40 = 122,356,378.80/x
  3. Step 3: Cross multiply
    199,282,791.60x = 298,924,187.40 × 122,356,378.80
  4. Step 4: Simplify right side
    199,282,791.60x = 36,575,281,105,996,584
  5. Step 5: Solve for x
    x = 36,575,281,105,996,584/199,282,791.60
  6. Step 6: Final answer
    x = 183,534,568.20

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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.