Home / 214,529,299.40-321,961,910.70-99,528,091.40

Finding the Fourth Proportional to 214,529,299.40, 321,961,910.70 and 99,528,091.40

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Solution

The fourth proportional to 214,529,299.40, 321,961,910.70 and 99,528,091.40 is: 149,370,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,529,299.40 : 321,961,910.70 = 99,528,091.40 : x
  2. Step 2: Convert to fraction form
    214,529,299.40/321,961,910.70 = 99,528,091.40/x
  3. Step 3: Cross multiply
    214,529,299.40x = 321,961,910.70 × 99,528,091.40
  4. Step 4: Simplify right side
    214,529,299.40x = 32,044,254,475,468,240
  5. Step 5: Solve for x
    x = 32,044,254,475,468,240/214,529,299.40
  6. Step 6: Final answer
    x = 149,370,060.71

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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.