Home / 295,893,656.95-407,999,093.35-221,315,212.21

Finding the Fourth Proportional to 295,893,656.95, 407,999,093.35 and 221,315,212.21

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Solution

The fourth proportional to 295,893,656.95, 407,999,093.35 and 221,315,212.21 is: 305,165,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,893,656.95 : 407,999,093.35 = 221,315,212.21 : x
  2. Step 2: Convert to fraction form
    295,893,656.95/407,999,093.35 = 221,315,212.21/x
  3. Step 3: Cross multiply
    295,893,656.95x = 407,999,093.35 × 221,315,212.21
  4. Step 4: Simplify right side
    295,893,656.95x = 90,296,405,923,096,288
  5. Step 5: Solve for x
    x = 90,296,405,923,096,288/295,893,656.95
  6. Step 6: Final answer
    x = 305,165,061.18

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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.