Home / 209,114,423.60-313,671,635.40-192,392,913.20

Finding the Fourth Proportional to 209,114,423.60, 313,671,635.40 and 192,392,913.20

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Solution

The fourth proportional to 209,114,423.60, 313,671,635.40 and 192,392,913.20 is: 288,589,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,114,423.60 : 313,671,635.40 = 192,392,913.20 : x
  2. Step 2: Convert to fraction form
    209,114,423.60/313,671,635.40 = 192,392,913.20/x
  3. Step 3: Cross multiply
    209,114,423.60x = 313,671,635.40 × 192,392,913.20
  4. Step 4: Simplify right side
    209,114,423.60x = 60,348,199,722,814,240
  5. Step 5: Solve for x
    x = 60,348,199,722,814,240/209,114,423.60
  6. Step 6: Final answer
    x = 288,589,369.80

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1.5x scale

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.