Home / 321,107,045.17-443,139,903.46-179,980,873.96

Finding the Fourth Proportional to 321,107,045.17, 443,139,903.46 and 179,980,873.96

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Solution

The fourth proportional to 321,107,045.17, 443,139,903.46 and 179,980,873.96 is: 248,380,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,107,045.17 : 443,139,903.46 = 179,980,873.96 : x
  2. Step 2: Convert to fraction form
    321,107,045.17/443,139,903.46 = 179,980,873.96/x
  3. Step 3: Cross multiply
    321,107,045.17x = 443,139,903.46 × 179,980,873.96
  4. Step 4: Simplify right side
    321,107,045.17x = 79,756,707,111,280,832
  5. Step 5: Solve for x
    x = 79,756,707,111,280,832/321,107,045.17
  6. Step 6: Final answer
    x = 248,380,433.60

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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.