Home / 136,274,402.72-188,057,719.14-74,394,741.30

Finding the Fourth Proportional to 136,274,402.72, 188,057,719.14 and 74,394,741.30

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Solution

The fourth proportional to 136,274,402.72, 188,057,719.14 and 74,394,741.30 is: 102,664,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,402.72 : 188,057,719.14 = 74,394,741.30 : x
  2. Step 2: Convert to fraction form
    136,274,402.72/188,057,719.14 = 74,394,741.30/x
  3. Step 3: Cross multiply
    136,274,402.72x = 188,057,719.14 × 74,394,741.30
  4. Step 4: Simplify right side
    136,274,402.72x = 13,990,505,364,888,356
  5. Step 5: Solve for x
    x = 13,990,505,364,888,356/136,274,402.72
  6. Step 6: Final answer
    x = 102,664,220.76

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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.