Home / 245,855,209.20-368,782,813.80-191,435,650.80

Finding the Fourth Proportional to 245,855,209.20, 368,782,813.80 and 191,435,650.80

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Solution

The fourth proportional to 245,855,209.20, 368,782,813.80 and 191,435,650.80 is: 287,153,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,855,209.20 : 368,782,813.80 = 191,435,650.80 : x
  2. Step 2: Convert to fraction form
    245,855,209.20/368,782,813.80 = 191,435,650.80/x
  3. Step 3: Cross multiply
    245,855,209.20x = 368,782,813.80 × 191,435,650.80
  4. Step 4: Simplify right side
    245,855,209.20x = 70,598,177,963,658,224
  5. Step 5: Solve for x
    x = 70,598,177,963,658,224/245,855,209.20
  6. Step 6: Final answer
    x = 287,153,476.20

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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.