Home / 309,965,435.52-427,736,499.84-170,733,200.64

Finding the Fourth Proportional to 309,965,435.52, 427,736,499.84 and 170,733,200.64

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Solution

The fourth proportional to 309,965,435.52, 427,736,499.84 and 170,733,200.64 is: 235,603,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,965,435.52 : 427,736,499.84 = 170,733,200.64 : x
  2. Step 2: Convert to fraction form
    309,965,435.52/427,736,499.84 = 170,733,200.64/x
  3. Step 3: Cross multiply
    309,965,435.52x = 427,736,499.84 × 170,733,200.64
  4. Step 4: Simplify right side
    309,965,435.52x = 73,028,821,648,234,032
  5. Step 5: Solve for x
    x = 73,028,821,648,234,032/309,965,435.52
  6. Step 6: Final answer
    x = 235,603,113.38

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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.