Home / 325,865,894.10-489,365,711.55-172,810,886.10

Finding the Fourth Proportional to 325,865,894.10, 489,365,711.55 and 172,810,886.10

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Solution

The fourth proportional to 325,865,894.10, 489,365,711.55 and 172,810,886.10 is: 259,516,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865,894.10 : 489,365,711.55 = 172,810,886.10 : x
  2. Step 2: Convert to fraction form
    325,865,894.10/489,365,711.55 = 172,810,886.10/x
  3. Step 3: Cross multiply
    325,865,894.10x = 489,365,711.55 × 172,810,886.10
  4. Step 4: Simplify right side
    325,865,894.10x = 84,567,722,239,912,496
  5. Step 5: Solve for x
    x = 84,567,722,239,912,496/325,865,894.10
  6. Step 6: Final answer
    x = 259,516,947.83

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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.