Home / 295,893,657.20-407,999,093.69-221,315,212.46

Finding the Fourth Proportional to 295,893,657.20, 407,999,093.69 and 221,315,212.46

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Solution

The fourth proportional to 295,893,657.20, 407,999,093.69 and 221,315,212.46 is: 305,165,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,893,657.20 : 407,999,093.69 = 221,315,212.46 : x
  2. Step 2: Convert to fraction form
    295,893,657.20/407,999,093.69 = 221,315,212.46/x
  3. Step 3: Cross multiply
    295,893,657.20x = 407,999,093.69 × 221,315,212.46
  4. Step 4: Simplify right side
    295,893,657.20x = 90,296,406,102,003,088
  5. Step 5: Solve for x
    x = 90,296,406,102,003,088/295,893,657.20
  6. Step 6: Final answer
    x = 305,165,061.52

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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.