Home / 311,282,427.42-429,578,885.30-170,161,446.69

Finding the Fourth Proportional to 311,282,427.42, 429,578,885.30 and 170,161,446.69

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Solution

The fourth proportional to 311,282,427.42, 429,578,885.30 and 170,161,446.69 is: 234,827,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,282,427.42 : 429,578,885.30 = 170,161,446.69 : x
  2. Step 2: Convert to fraction form
    311,282,427.42/429,578,885.30 = 170,161,446.69/x
  3. Step 3: Cross multiply
    311,282,427.42x = 429,578,885.30 × 170,161,446.69
  4. Step 4: Simplify right side
    311,282,427.42x = 73,097,764,589,274,768
  5. Step 5: Solve for x
    x = 73,097,764,589,274,768/311,282,427.42
  6. Step 6: Final answer
    x = 234,827,790.30

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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.