Home / 82,562,813.80-123,976,412.70-65,664,010.60

Finding the Fourth Proportional to 82,562,813.80, 123,976,412.70 and 65,664,010.60

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Solution

The fourth proportional to 82,562,813.80, 123,976,412.70 and 65,664,010.60 is: 98,601,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,562,813.80 : 123,976,412.70 = 65,664,010.60 : x
  2. Step 2: Convert to fraction form
    82,562,813.80/123,976,412.70 = 65,664,010.60/x
  3. Step 3: Cross multiply
    82,562,813.80x = 123,976,412.70 × 65,664,010.60
  4. Step 4: Simplify right side
    82,562,813.80x = 8,140,788,477,682,775
  5. Step 5: Solve for x
    x = 8,140,788,477,682,775/82,562,813.80
  6. Step 6: Final answer
    x = 98,601,151.09

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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.