Home / 271,157,809.38-374,201,876.93-152,106,791.78

Finding the Fourth Proportional to 271,157,809.38, 374,201,876.93 and 152,106,791.78

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Solution

The fourth proportional to 271,157,809.38, 374,201,876.93 and 152,106,791.78 is: 209,909,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,157,809.38 : 374,201,876.93 = 152,106,791.78 : x
  2. Step 2: Convert to fraction form
    271,157,809.38/374,201,876.93 = 152,106,791.78/x
  3. Step 3: Cross multiply
    271,157,809.38x = 374,201,876.93 × 152,106,791.78
  4. Step 4: Simplify right side
    271,157,809.38x = 56,918,646,975,245,160
  5. Step 5: Solve for x
    x = 56,918,646,975,245,160/271,157,809.38
  6. Step 6: Final answer
    x = 209,909,672.55

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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.