Home / 199,308,830.40-298,963,245.60-179,220,360.60

Finding the Fourth Proportional to 199,308,830.40, 298,963,245.60 and 179,220,360.60

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Solution

The fourth proportional to 199,308,830.40, 298,963,245.60 and 179,220,360.60 is: 268,830,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308,830.40 : 298,963,245.60 = 179,220,360.60 : x
  2. Step 2: Convert to fraction form
    199,308,830.40/298,963,245.60 = 179,220,360.60/x
  3. Step 3: Cross multiply
    199,308,830.40x = 298,963,245.60 × 179,220,360.60
  4. Step 4: Simplify right side
    199,308,830.40x = 53,580,300,682,578,368
  5. Step 5: Solve for x
    x = 53,580,300,682,578,368/199,308,830.40
  6. Step 6: Final answer
    x = 268,830,540.90

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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.