Home / 92,351,574.40-138,435,993.60-43,743,992.80

Finding the Fourth Proportional to 92,351,574.40, 138,435,993.60 and 43,743,992.80

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Solution

The fourth proportional to 92,351,574.40, 138,435,993.60 and 43,743,992.80 is: 65,572,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,351,574.40 : 138,435,993.60 = 43,743,992.80 : x
  2. Step 2: Convert to fraction form
    92,351,574.40/138,435,993.60 = 43,743,992.80/x
  3. Step 3: Cross multiply
    92,351,574.40x = 138,435,993.60 × 43,743,992.80
  4. Step 4: Simplify right side
    92,351,574.40x = 6,055,743,107,299,245
  5. Step 5: Solve for x
    x = 6,055,743,107,299,245/92,351,574.40
  6. Step 6: Final answer
    x = 65,572,711.09

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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.