Home / 194,511,362.91-268,424,878.23-105,203,406.80

Finding the Fourth Proportional to 194,511,362.91, 268,424,878.23 and 105,203,406.80

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Solution

The fourth proportional to 194,511,362.91, 268,424,878.23 and 105,203,406.80 is: 145,180,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,511,362.91 : 268,424,878.23 = 105,203,406.80 : x
  2. Step 2: Convert to fraction form
    194,511,362.91/268,424,878.23 = 105,203,406.80/x
  3. Step 3: Cross multiply
    194,511,362.91x = 268,424,878.23 × 105,203,406.80
  4. Step 4: Simplify right side
    194,511,362.91x = 28,239,211,659,671,152
  5. Step 5: Solve for x
    x = 28,239,211,659,671,152/194,511,362.91
  6. Step 6: Final answer
    x = 145,180,267.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.