Home / 199,286,382.60-298,929,573.90-122,359,969.80

Finding the Fourth Proportional to 199,286,382.60, 298,929,573.90 and 122,359,969.80

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Solution

The fourth proportional to 199,286,382.60, 298,929,573.90 and 122,359,969.80 is: 183,539,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,382.60 : 298,929,573.90 = 122,359,969.80 : x
  2. Step 2: Convert to fraction form
    199,286,382.60/298,929,573.90 = 122,359,969.80/x
  3. Step 3: Cross multiply
    199,286,382.60x = 298,929,573.90 × 122,359,969.80
  4. Step 4: Simplify right side
    199,286,382.60x = 36,577,013,634,730,864
  5. Step 5: Solve for x
    x = 36,577,013,634,730,864/199,286,382.60
  6. Step 6: Final answer
    x = 183,539,954.70

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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.