Home / 290,810,435.76-401,316,496.38-165,362,640.84

Finding the Fourth Proportional to 290,810,435.76, 401,316,496.38 and 165,362,640.84

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Solution

The fourth proportional to 290,810,435.76, 401,316,496.38 and 165,362,640.84 is: 228,199,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,810,435.76 : 401,316,496.38 = 165,362,640.84 : x
  2. Step 2: Convert to fraction form
    290,810,435.76/401,316,496.38 = 165,362,640.84/x
  3. Step 3: Cross multiply
    290,810,435.76x = 401,316,496.38 × 165,362,640.84
  4. Step 4: Simplify right side
    290,810,435.76x = 66,362,755,654,053,104
  5. Step 5: Solve for x
    x = 66,362,755,654,053,104/290,810,435.76
  6. Step 6: Final answer
    x = 228,199,361.14

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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.