Home / 199,290,742.20-298,936,113.30-122,364,329.40

Finding the Fourth Proportional to 199,290,742.20, 298,936,113.30 and 122,364,329.40

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Solution

The fourth proportional to 199,290,742.20, 298,936,113.30 and 122,364,329.40 is: 183,546,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,742.20 : 298,936,113.30 = 122,364,329.40 : x
  2. Step 2: Convert to fraction form
    199,290,742.20/298,936,113.30 = 122,364,329.40/x
  3. Step 3: Cross multiply
    199,290,742.20x = 298,936,113.30 × 122,364,329.40
  4. Step 4: Simplify right side
    199,290,742.20x = 36,579,117,037,396,928
  5. Step 5: Solve for x
    x = 36,579,117,037,396,928/199,290,742.20
  6. Step 6: Final answer
    x = 183,546,494.10

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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.