Home / 263,269,922.40-394,952,122.80-109,931,479.20

Finding the Fourth Proportional to 263,269,922.40, 394,952,122.80 and 109,931,479.20

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Solution

The fourth proportional to 263,269,922.40, 394,952,122.80 and 109,931,479.20 is: 164,916,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,269,922.40 : 394,952,122.80 = 109,931,479.20 : x
  2. Step 2: Convert to fraction form
    263,269,922.40/394,952,122.80 = 109,931,479.20/x
  3. Step 3: Cross multiply
    263,269,922.40x = 394,952,122.80 × 109,931,479.20
  4. Step 4: Simplify right side
    263,269,922.40x = 43,417,671,072,584,048
  5. Step 5: Solve for x
    x = 43,417,671,072,584,048/263,269,922.40
  6. Step 6: Final answer
    x = 164,916,944.09

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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.