Home / 92,743,189.21-127,980,604.61-51,487,424.38

Finding the Fourth Proportional to 92,743,189.21, 127,980,604.61 and 51,487,424.38

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Solution

The fourth proportional to 92,743,189.21, 127,980,604.61 and 51,487,424.38 is: 71,049,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743,189.21 : 127,980,604.61 = 51,487,424.38 : x
  2. Step 2: Convert to fraction form
    92,743,189.21/127,980,604.61 = 51,487,424.38/x
  3. Step 3: Cross multiply
    92,743,189.21x = 127,980,604.61 × 51,487,424.38
  4. Step 4: Simplify right side
    92,743,189.21x = 6,589,391,701,324,151
  5. Step 5: Solve for x
    x = 6,589,391,701,324,151/92,743,189.21
  6. Step 6: Final answer
    x = 71,049,871.78

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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.