Home / 224,136,015.40-336,204,023.10-78,733,757.80

Finding the Fourth Proportional to 224,136,015.40, 336,204,023.10 and 78,733,757.80

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Solution

The fourth proportional to 224,136,015.40, 336,204,023.10 and 78,733,757.80 is: 118,100,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,136,015.40 : 336,204,023.10 = 78,733,757.80 : x
  2. Step 2: Convert to fraction form
    224,136,015.40/336,204,023.10 = 78,733,757.80/x
  3. Step 3: Cross multiply
    224,136,015.40x = 336,204,023.10 × 78,733,757.80
  4. Step 4: Simplify right side
    224,136,015.40x = 26,470,606,126,141,008
  5. Step 5: Solve for x
    x = 26,470,606,126,141,008/224,136,015.40
  6. Step 6: Final answer
    x = 118,100,636.70

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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.