Home / 309,893,944.15-427,648,475.37-170,677,659.79

Finding the Fourth Proportional to 309,893,944.15, 427,648,475.37 and 170,677,659.79

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Solution

The fourth proportional to 309,893,944.15, 427,648,475.37 and 170,677,659.79 is: 235,532,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,893,944.15 : 427,648,475.37 = 170,677,659.79 : x
  2. Step 2: Convert to fraction form
    309,893,944.15/427,648,475.37 = 170,677,659.79/x
  3. Step 3: Cross multiply
    309,893,944.15x = 427,648,475.37 × 170,677,659.79
  4. Step 4: Simplify right side
    309,893,944.15x = 72,990,040,988,913,056
  5. Step 5: Solve for x
    x = 72,990,040,988,913,056/309,893,944.15
  6. Step 6: Final answer
    x = 235,532,324.42

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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.