Home / 307,340,642.03-424,131,355.09-166,211,859.37

Finding the Fourth Proportional to 307,340,642.03, 424,131,355.09 and 166,211,859.37

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Solution

The fourth proportional to 307,340,642.03, 424,131,355.09 and 166,211,859.37 is: 229,373,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,340,642.03 : 424,131,355.09 = 166,211,859.37 : x
  2. Step 2: Convert to fraction form
    307,340,642.03/424,131,355.09 = 166,211,859.37/x
  3. Step 3: Cross multiply
    307,340,642.03x = 424,131,355.09 × 166,211,859.37
  4. Step 4: Simplify right side
    307,340,642.03x = 70,495,661,144,505,960
  5. Step 5: Solve for x
    x = 70,495,661,144,505,960/307,340,642.03
  6. Step 6: Final answer
    x = 229,373,052.26

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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.