Home / 199,302,408.60-298,953,612.90-122,375,995.80

Finding the Fourth Proportional to 199,302,408.60, 298,953,612.90 and 122,375,995.80

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Solution

The fourth proportional to 199,302,408.60, 298,953,612.90 and 122,375,995.80 is: 183,563,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,302,408.60 : 298,953,612.90 = 122,375,995.80 : x
  2. Step 2: Convert to fraction form
    199,302,408.60/298,953,612.90 = 122,375,995.80/x
  3. Step 3: Cross multiply
    199,302,408.60x = 298,953,612.90 × 122,375,995.80
  4. Step 4: Simplify right side
    199,302,408.60x = 36,584,746,076,645,224
  5. Step 5: Solve for x
    x = 36,584,746,076,645,224/199,302,408.60
  6. Step 6: Final answer
    x = 183,563,993.70

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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.