Home / 105,014,786.40-157,270,237.20-51,099,112.80

Finding the Fourth Proportional to 105,014,786.40, 157,270,237.20 and 51,099,112.80

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Solution

The fourth proportional to 105,014,786.40, 157,270,237.20 and 51,099,112.80 is: 76,526,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014,786.40 : 157,270,237.20 = 51,099,112.80 : x
  2. Step 2: Convert to fraction form
    105,014,786.40/157,270,237.20 = 51,099,112.80/x
  3. Step 3: Cross multiply
    105,014,786.40x = 157,270,237.20 × 51,099,112.80
  4. Step 4: Simplify right side
    105,014,786.40x = 8,036,369,590,765,555
  5. Step 5: Solve for x
    x = 8,036,369,590,765,555/105,014,786.40
  6. Step 6: Final answer
    x = 76,526,076.62

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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.