Home / 81,664,234.40-122,496,351.60-61,508,842.40

Finding the Fourth Proportional to 81,664,234.40, 122,496,351.60 and 61,508,842.40

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Solution

The fourth proportional to 81,664,234.40, 122,496,351.60 and 61,508,842.40 is: 92,263,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,664,234.40 : 122,496,351.60 = 61,508,842.40 : x
  2. Step 2: Convert to fraction form
    81,664,234.40/122,496,351.60 = 61,508,842.40/x
  3. Step 3: Cross multiply
    81,664,234.40x = 122,496,351.60 × 61,508,842.40
  4. Step 4: Simplify right side
    81,664,234.40x = 7,534,608,785,139,387
  5. Step 5: Solve for x
    x = 7,534,608,785,139,387/81,664,234.40
  6. Step 6: Final answer
    x = 92,263,263.60

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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.