Home / 148,231,235.66-204,559,124.61-82,155,999.86

Finding the Fourth Proportional to 148,231,235.66, 204,559,124.61 and 82,155,999.86

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Solution

The fourth proportional to 148,231,235.66, 204,559,124.61 and 82,155,999.86 is: 113,375,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,231,235.66 : 204,559,124.61 = 82,155,999.86 : x
  2. Step 2: Convert to fraction form
    148,231,235.66/204,559,124.61 = 82,155,999.86/x
  3. Step 3: Cross multiply
    148,231,235.66x = 204,559,124.61 × 82,155,999.86
  4. Step 4: Simplify right side
    148,231,235.66x = 16,805,759,412,820,884
  5. Step 5: Solve for x
    x = 16,805,759,412,820,884/148,231,235.66
  6. Step 6: Final answer
    x = 113,375,290.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.