Home / 255,083,205.30-382,624,807.95-109,491,990.90

Finding the Fourth Proportional to 255,083,205.30, 382,624,807.95 and 109,491,990.90

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Solution

The fourth proportional to 255,083,205.30, 382,624,807.95 and 109,491,990.90 is: 164,237,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,083,205.30 : 382,624,807.95 = 109,491,990.90 : x
  2. Step 2: Convert to fraction form
    255,083,205.30/382,624,807.95 = 109,491,990.90/x
  3. Step 3: Cross multiply
    255,083,205.30x = 382,624,807.95 × 109,491,990.90
  4. Step 4: Simplify right side
    255,083,205.30x = 41,894,351,990,175,648
  5. Step 5: Solve for x
    x = 41,894,351,990,175,648/255,083,205.30
  6. Step 6: Final answer
    x = 164,237,986.35

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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.