Home / 194,511,362.16-268,424,877.20-105,203,406.05

Finding the Fourth Proportional to 194,511,362.16, 268,424,877.20 and 105,203,406.05

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Solution

The fourth proportional to 194,511,362.16, 268,424,877.20 and 105,203,406.05 is: 145,180,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,511,362.16 : 268,424,877.20 = 105,203,406.05 : x
  2. Step 2: Convert to fraction form
    194,511,362.16/268,424,877.20 = 105,203,406.05/x
  3. Step 3: Cross multiply
    194,511,362.16x = 268,424,877.20 × 105,203,406.05
  4. Step 4: Simplify right side
    194,511,362.16x = 28,239,211,349,992,984
  5. Step 5: Solve for x
    x = 28,239,211,349,992,984/194,511,362.16
  6. Step 6: Final answer
    x = 145,180,266.27

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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.