Home / 127,691,351.40-191,565,020.70-41,415,076.20

Finding the Fourth Proportional to 127,691,351.40, 191,565,020.70 and 41,415,076.20

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Solution

The fourth proportional to 127,691,351.40, 191,565,020.70 and 41,415,076.20 is: 62,131,693.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,691,351.40 : 191,565,020.70 = 41,415,076.20 : x
  2. Step 2: Convert to fraction form
    127,691,351.40/191,565,020.70 = 41,415,076.20/x
  3. Step 3: Cross multiply
    127,691,351.40x = 191,565,020.70 × 41,415,076.20
  4. Step 4: Simplify right side
    127,691,351.40x = 7,933,679,929,545,077
  5. Step 5: Solve for x
    x = 7,933,679,929,545,077/127,691,351.40
  6. Step 6: Final answer
    x = 62,131,693.67

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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.