Home / 215,823,650.80-323,735,476.20-193,148,834.80

Finding the Fourth Proportional to 215,823,650.80, 323,735,476.20 and 193,148,834.80

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Solution

The fourth proportional to 215,823,650.80, 323,735,476.20 and 193,148,834.80 is: 289,723,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,823,650.80 : 323,735,476.20 = 193,148,834.80 : x
  2. Step 2: Convert to fraction form
    215,823,650.80/323,735,476.20 = 193,148,834.80/x
  3. Step 3: Cross multiply
    215,823,650.80x = 323,735,476.20 × 193,148,834.80
  4. Step 4: Simplify right side
    215,823,650.80x = 62,529,130,011,453,136
  5. Step 5: Solve for x
    x = 62,529,130,011,453,136/215,823,650.80
  6. Step 6: Final answer
    x = 289,723,252.20

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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.