Home / 82,588,892.40-123,883,338.60-72,066,360.60

Finding the Fourth Proportional to 82,588,892.40, 123,883,338.60 and 72,066,360.60

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Solution

The fourth proportional to 82,588,892.40, 123,883,338.60 and 72,066,360.60 is: 108,099,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,588,892.40 : 123,883,338.60 = 72,066,360.60 : x
  2. Step 2: Convert to fraction form
    82,588,892.40/123,883,338.60 = 72,066,360.60/x
  3. Step 3: Cross multiply
    82,588,892.40x = 123,883,338.60 × 72,066,360.60
  4. Step 4: Simplify right side
    82,588,892.40x = 8,927,821,351,879,498
  5. Step 5: Solve for x
    x = 8,927,821,351,879,498/82,588,892.40
  6. Step 6: Final answer
    x = 108,099,540.90

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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.