Home / 81,675,188.40-122,654,500.20-43,411,436.40

Finding the Fourth Proportional to 81,675,188.40, 122,654,500.20 and 43,411,436.40

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Solution

The fourth proportional to 81,675,188.40, 122,654,500.20 and 43,411,436.40 is: 65,192,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675,188.40 : 122,654,500.20 = 43,411,436.40 : x
  2. Step 2: Convert to fraction form
    81,675,188.40/122,654,500.20 = 43,411,436.40/x
  3. Step 3: Cross multiply
    81,675,188.40x = 122,654,500.20 × 43,411,436.40
  4. Step 4: Simplify right side
    81,675,188.40x = 5,324,608,034,606,087
  5. Step 5: Solve for x
    x = 5,324,608,034,606,087/81,675,188.40
  6. Step 6: Final answer
    x = 65,192,479.37

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1.5x scale

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.