Home / 158,042,103.88-218,103,942.74-86,519,999.06

Finding the Fourth Proportional to 158,042,103.88, 218,103,942.74 and 86,519,999.06

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Solution

The fourth proportional to 158,042,103.88, 218,103,942.74 and 86,519,999.06 is: 119,400,795.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,042,103.88 : 218,103,942.74 = 86,519,999.06 : x
  2. Step 2: Convert to fraction form
    158,042,103.88/218,103,942.74 = 86,519,999.06/x
  3. Step 3: Cross multiply
    158,042,103.88x = 218,103,942.74 × 86,519,999.06
  4. Step 4: Simplify right side
    158,042,103.88x = 18,870,352,920,847,096
  5. Step 5: Solve for x
    x = 18,870,352,920,847,096/158,042,103.88
  6. Step 6: Final answer
    x = 119,400,795.47

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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.