Home / 214,529,113.60-321,793,670.40-199,223,612.80

Finding the Fourth Proportional to 214,529,113.60, 321,793,670.40 and 199,223,612.80

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Solution

The fourth proportional to 214,529,113.60, 321,793,670.40 and 199,223,612.80 is: 298,835,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,529,113.60 : 321,793,670.40 = 199,223,612.80 : x
  2. Step 2: Convert to fraction form
    214,529,113.60/321,793,670.40 = 199,223,612.80/x
  3. Step 3: Cross multiply
    214,529,113.60x = 321,793,670.40 × 199,223,612.80
  4. Step 4: Simplify right side
    214,529,113.60x = 64,108,897,593,260,424
  5. Step 5: Solve for x
    x = 64,108,897,593,260,424/214,529,113.60
  6. Step 6: Final answer
    x = 298,835,419.20

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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.