Home / 325,865,254.10-489,364,751.55-172,810,246.10

Finding the Fourth Proportional to 325,865,254.10, 489,364,751.55 and 172,810,246.10

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Solution

The fourth proportional to 325,865,254.10, 489,364,751.55 and 172,810,246.10 is: 259,515,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865,254.10 : 489,364,751.55 = 172,810,246.10 : x
  2. Step 2: Convert to fraction form
    325,865,254.10/489,364,751.55 = 172,810,246.10/x
  3. Step 3: Cross multiply
    325,865,254.10x = 489,364,751.55 × 172,810,246.10
  4. Step 4: Simplify right side
    325,865,254.10x = 84,567,243,148,020,848
  5. Step 5: Solve for x
    x = 84,567,243,148,020,848/325,865,254.10
  6. Step 6: Final answer
    x = 259,515,987.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.