Home / 259,456,315.44-358,438,619.90-170,359,641.30

Finding the Fourth Proportional to 259,456,315.44, 358,438,619.90 and 170,359,641.30

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Solution

The fourth proportional to 259,456,315.44, 358,438,619.90 and 170,359,641.30 is: 235,351,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,456,315.44 : 358,438,619.90 = 170,359,641.30 : x
  2. Step 2: Convert to fraction form
    259,456,315.44/358,438,619.90 = 170,359,641.30/x
  3. Step 3: Cross multiply
    259,456,315.44x = 358,438,619.90 × 170,359,641.30
  4. Step 4: Simplify right side
    259,456,315.44x = 61,063,474,714,231,040
  5. Step 5: Solve for x
    x = 61,063,474,714,231,040/259,456,315.44
  6. Step 6: Final answer
    x = 235,351,660.69

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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.