Home / 200,205,245.20-299,720,002.20-149,312,880.40

Finding the Fourth Proportional to 200,205,245.20, 299,720,002.20 and 149,312,880.40

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Solution

The fourth proportional to 200,205,245.20, 299,720,002.20 and 149,312,880.40 is: 223,530,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,205,245.20 : 299,720,002.20 = 149,312,880.40 : x
  2. Step 2: Convert to fraction form
    200,205,245.20/299,720,002.20 = 149,312,880.40/x
  3. Step 3: Cross multiply
    200,205,245.20x = 299,720,002.20 × 149,312,880.40
  4. Step 4: Simplify right side
    200,205,245.20x = 44,752,056,841,976,336
  5. Step 5: Solve for x
    x = 44,752,056,841,976,336/200,205,245.20
  6. Step 6: Final answer
    x = 223,530,891.00

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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.