Home / 126,311,969.37-174,245,227.29-79,929,129.27

Finding the Fourth Proportional to 126,311,969.37, 174,245,227.29 and 79,929,129.27

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Solution

The fourth proportional to 126,311,969.37, 174,245,227.29 and 79,929,129.27 is: 110,260,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311,969.37 : 174,245,227.29 = 79,929,129.27 : x
  2. Step 2: Convert to fraction form
    126,311,969.37/174,245,227.29 = 79,929,129.27/x
  3. Step 3: Cross multiply
    126,311,969.37x = 174,245,227.29 × 79,929,129.27
  4. Step 4: Simplify right side
    126,311,969.37x = 13,927,269,296,742,940
  5. Step 5: Solve for x
    x = 13,927,269,296,742,940/126,311,969.37
  6. Step 6: Final answer
    x = 110,260,883.16

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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.