Home / 131,326,804.65-196,706,771.78-108,651,988.65

Finding the Fourth Proportional to 131,326,804.65, 196,706,771.78 and 108,651,988.65

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Solution

The fourth proportional to 131,326,804.65, 196,706,771.78 and 108,651,988.65 is: 162,743,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326,804.65 : 196,706,771.78 = 108,651,988.65 : x
  2. Step 2: Convert to fraction form
    131,326,804.65/196,706,771.78 = 108,651,988.65/x
  3. Step 3: Cross multiply
    131,326,804.65x = 196,706,771.78 × 108,651,988.65
  4. Step 4: Simplify right side
    131,326,804.65x = 21,372,581,934,275,444
  5. Step 5: Solve for x
    x = 21,372,581,934,275,444/131,326,804.65
  6. Step 6: Final answer
    x = 162,743,485.55

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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.