Home / 325,865,896.10-489,365,714.55-172,810,888.10

Finding the Fourth Proportional to 325,865,896.10, 489,365,714.55 and 172,810,888.10

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Solution

The fourth proportional to 325,865,896.10, 489,365,714.55 and 172,810,888.10 is: 259,516,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865,896.10 : 489,365,714.55 = 172,810,888.10 : x
  2. Step 2: Convert to fraction form
    325,865,896.10/489,365,714.55 = 172,810,888.10/x
  3. Step 3: Cross multiply
    325,865,896.10x = 489,365,714.55 × 172,810,888.10
  4. Step 4: Simplify right side
    325,865,896.10x = 84,567,723,737,076,592
  5. Step 5: Solve for x
    x = 84,567,723,737,076,592/325,865,896.10
  6. Step 6: Final answer
    x = 259,516,950.84

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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.