Home / 311,175,768.92-429,447,040.23-177,219,349.26

Finding the Fourth Proportional to 311,175,768.92, 429,447,040.23 and 177,219,349.26

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Solution

The fourth proportional to 311,175,768.92, 429,447,040.23 and 177,219,349.26 is: 244,576,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,175,768.92 : 429,447,040.23 = 177,219,349.26 : x
  2. Step 2: Convert to fraction form
    311,175,768.92/429,447,040.23 = 177,219,349.26/x
  3. Step 3: Cross multiply
    311,175,768.92x = 429,447,040.23 × 177,219,349.26
  4. Step 4: Simplify right side
    311,175,768.92x = 76,106,325,011,193,648
  5. Step 5: Solve for x
    x = 76,106,325,011,193,648/311,175,768.92
  6. Step 6: Final answer
    x = 244,576,643.22

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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.