Home / 66,907,842-100,361,768.92-23,778,747.66

Finding the Fourth Proportional to 66,907,842, 100,361,768.92 and 23,778,747.66

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Solution

The fourth proportional to 66,907,842, 100,361,768.92 and 23,778,747.66 is: 35,668,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,907,842 : 100,361,768.92 = 23,778,747.66 : x
  2. Step 2: Convert to fraction form
    66,907,842/100,361,768.92 = 23,778,747.66/x
  3. Step 3: Cross multiply
    66,907,842x = 100,361,768.92 × 23,778,747.66
  4. Step 4: Simplify right side
    66,907,842x = 2,386,477,177,859,911
  5. Step 5: Solve for x
    x = 2,386,477,177,859,911/66,907,842
  6. Step 6: Final answer
    x = 35,668,123.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.