Home / 136,274,668.68-188,058,086.06-74,395,007.22

Finding the Fourth Proportional to 136,274,668.68, 188,058,086.06 and 74,395,007.22

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Solution

The fourth proportional to 136,274,668.68, 188,058,086.06 and 74,395,007.22 is: 102,664,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,668.68 : 188,058,086.06 = 74,395,007.22 : x
  2. Step 2: Convert to fraction form
    136,274,668.68/188,058,086.06 = 74,395,007.22/x
  3. Step 3: Cross multiply
    136,274,668.68x = 188,058,086.06 × 74,395,007.22
  4. Step 4: Simplify right side
    136,274,668.68x = 13,990,582,670,213,082
  5. Step 5: Solve for x
    x = 13,990,582,670,213,082/136,274,668.68
  6. Step 6: Final answer
    x = 102,664,587.67

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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.