Home / 100,415,851.97-150,555,014.70-51,136,314.11

Finding the Fourth Proportional to 100,415,851.97, 150,555,014.70 and 51,136,314.11

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Solution

The fourth proportional to 100,415,851.97, 150,555,014.70 and 51,136,314.11 is: 76,669,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,415,851.97 : 150,555,014.70 = 51,136,314.11 : x
  2. Step 2: Convert to fraction form
    100,415,851.97/150,555,014.70 = 51,136,314.11/x
  3. Step 3: Cross multiply
    100,415,851.97x = 150,555,014.70 × 51,136,314.11
  4. Step 4: Simplify right side
    100,415,851.97x = 7,698,828,521,782,091
  5. Step 5: Solve for x
    x = 7,698,828,521,782,091/100,415,851.97
  6. Step 6: Final answer
    x = 76,669,453.79

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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.