Home / 199,288,549.40-298,932,824.10-117,323,288.60

Finding the Fourth Proportional to 199,288,549.40, 298,932,824.10 and 117,323,288.60

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Solution

The fourth proportional to 199,288,549.40, 298,932,824.10 and 117,323,288.60 is: 175,984,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288,549.40 : 298,932,824.10 = 117,323,288.60 : x
  2. Step 2: Convert to fraction form
    199,288,549.40/298,932,824.10 = 117,323,288.60/x
  3. Step 3: Cross multiply
    199,288,549.40x = 298,932,824.10 × 117,323,288.60
  4. Step 4: Simplify right side
    199,288,549.40x = 35,071,781,993,897,336
  5. Step 5: Solve for x
    x = 35,071,781,993,897,336/199,288,549.40
  6. Step 6: Final answer
    x = 175,984,932.90

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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.