Home / 92,279,360.40-138,419,040.60-90,844,469.70

Finding the Fourth Proportional to 92,279,360.40, 138,419,040.60 and 90,844,469.70

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Solution

The fourth proportional to 92,279,360.40, 138,419,040.60 and 90,844,469.70 is: 136,266,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,279,360.40 : 138,419,040.60 = 90,844,469.70 : x
  2. Step 2: Convert to fraction form
    92,279,360.40/138,419,040.60 = 90,844,469.70/x
  3. Step 3: Cross multiply
    92,279,360.40x = 138,419,040.60 × 90,844,469.70
  4. Step 4: Simplify right side
    92,279,360.40x = 12,574,604,339,689,770
  5. Step 5: Solve for x
    x = 12,574,604,339,689,770/92,279,360.40
  6. Step 6: Final answer
    x = 136,266,704.55

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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.