Home / 290,810,436.26-401,316,497.07-165,362,641.34

Finding the Fourth Proportional to 290,810,436.26, 401,316,497.07 and 165,362,641.34

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Solution

The fourth proportional to 290,810,436.26, 401,316,497.07 and 165,362,641.34 is: 228,199,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,810,436.26 : 401,316,497.07 = 165,362,641.34 : x
  2. Step 2: Convert to fraction form
    290,810,436.26/401,316,497.07 = 165,362,641.34/x
  3. Step 3: Cross multiply
    290,810,436.26x = 401,316,497.07 × 165,362,641.34
  4. Step 4: Simplify right side
    290,810,436.26x = 66,362,755,968,811,568
  5. Step 5: Solve for x
    x = 66,362,755,968,811,568/290,810,436.26
  6. Step 6: Final answer
    x = 228,199,361.83

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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.