Home / 78,474,032.98-117,603,432.67-49,668,749.80

Finding the Fourth Proportional to 78,474,032.98, 117,603,432.67 and 49,668,749.80

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Solution

The fourth proportional to 78,474,032.98, 117,603,432.67 and 49,668,749.80 is: 74,435,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,474,032.98 : 117,603,432.67 = 49,668,749.80 : x
  2. Step 2: Convert to fraction form
    78,474,032.98/117,603,432.67 = 49,668,749.80/x
  3. Step 3: Cross multiply
    78,474,032.98x = 117,603,432.67 × 49,668,749.80
  4. Step 4: Simplify right side
    78,474,032.98x = 5,841,215,472,659,032
  5. Step 5: Solve for x
    x = 5,841,215,472,659,032/78,474,032.98
  6. Step 6: Final answer
    x = 74,435,010.55

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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.