Home / 310,815,187.66-465,992,938.70-187,966,193.64

Finding the Fourth Proportional to 310,815,187.66, 465,992,938.70 and 187,966,193.64

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Solution

The fourth proportional to 310,815,187.66, 465,992,938.70 and 187,966,193.64 is: 281,810,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,815,187.66 : 465,992,938.70 = 187,966,193.64 : x
  2. Step 2: Convert to fraction form
    310,815,187.66/465,992,938.70 = 187,966,193.64/x
  3. Step 3: Cross multiply
    310,815,187.66x = 465,992,938.70 × 187,966,193.64
  4. Step 4: Simplify right side
    310,815,187.66x = 87,590,918,950,556,848
  5. Step 5: Solve for x
    x = 87,590,918,950,556,848/310,815,187.66
  6. Step 6: Final answer
    x = 281,810,292.51

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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.