Home / 310,815,185.55-465,992,935.55-187,966,191.53

Finding the Fourth Proportional to 310,815,185.55, 465,992,935.55 and 187,966,191.53

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Solution

The fourth proportional to 310,815,185.55, 465,992,935.55 and 187,966,191.53 is: 281,810,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,815,185.55 : 465,992,935.55 = 187,966,191.53 : x
  2. Step 2: Convert to fraction form
    310,815,185.55/465,992,935.55 = 187,966,191.53/x
  3. Step 3: Cross multiply
    310,815,185.55x = 465,992,935.55 × 187,966,191.53
  4. Step 4: Simplify right side
    310,815,185.55x = 87,590,917,371,948,464
  5. Step 5: Solve for x
    x = 87,590,917,371,948,464/310,815,185.55
  6. Step 6: Final answer
    x = 281,810,289.34

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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.