Home / 310,815,189.66-465,992,941.68-187,966,195.65

Finding the Fourth Proportional to 310,815,189.66, 465,992,941.68 and 187,966,195.65

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Solution

The fourth proportional to 310,815,189.66, 465,992,941.68 and 187,966,195.65 is: 281,810,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,815,189.66 : 465,992,941.68 = 187,966,195.65 : x
  2. Step 2: Convert to fraction form
    310,815,189.66/465,992,941.68 = 187,966,195.65/x
  3. Step 3: Cross multiply
    310,815,189.66x = 465,992,941.68 × 187,966,195.65
  4. Step 4: Simplify right side
    310,815,189.66x = 87,590,920,447,341,920
  5. Step 5: Solve for x
    x = 87,590,920,447,341,920/310,815,189.66
  6. Step 6: Final answer
    x = 281,810,295.51

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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.