Home / 291,020,668.25-401,612,757.47-165,570,164.14

Finding the Fourth Proportional to 291,020,668.25, 401,612,757.47 and 165,570,164.14

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Solution

The fourth proportional to 291,020,668.25, 401,612,757.47 and 165,570,164.14 is: 228,489,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,020,668.25 : 401,612,757.47 = 165,570,164.14 : x
  2. Step 2: Convert to fraction form
    291,020,668.25/401,612,757.47 = 165,570,164.14/x
  3. Step 3: Cross multiply
    291,020,668.25x = 401,612,757.47 × 165,570,164.14
  4. Step 4: Simplify right side
    291,020,668.25x = 66,495,090,175,025,912
  5. Step 5: Solve for x
    x = 66,495,090,175,025,912/291,020,668.25
  6. Step 6: Final answer
    x = 228,489,236.09

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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.