Home / 208,110,975.22-287,122,443.42-118,738,715.25

Finding the Fourth Proportional to 208,110,975.22, 287,122,443.42 and 118,738,715.25

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Solution

The fourth proportional to 208,110,975.22, 287,122,443.42 and 118,738,715.25 is: 163,819,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,110,975.22 : 287,122,443.42 = 118,738,715.25 : x
  2. Step 2: Convert to fraction form
    208,110,975.22/287,122,443.42 = 118,738,715.25/x
  3. Step 3: Cross multiply
    208,110,975.22x = 287,122,443.42 × 118,738,715.25
  4. Step 4: Simplify right side
    208,110,975.22x = 34,092,550,051,131,620
  5. Step 5: Solve for x
    x = 34,092,550,051,131,620/208,110,975.22
  6. Step 6: Final answer
    x = 163,819,087.46

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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.