Home / 181,815,811.38-272,723,720.70-43,641,418.50

Finding the Fourth Proportional to 181,815,811.38, 272,723,720.70 and 43,641,418.50

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Solution

The fourth proportional to 181,815,811.38, 272,723,720.70 and 43,641,418.50 is: 65,462,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,815,811.38 : 272,723,720.70 = 43,641,418.50 : x
  2. Step 2: Convert to fraction form
    181,815,811.38/272,723,720.70 = 43,641,418.50/x
  3. Step 3: Cross multiply
    181,815,811.38x = 272,723,720.70 × 43,641,418.50
  4. Step 4: Simplify right side
    181,815,811.38x = 11,902,050,029,945,812
  5. Step 5: Solve for x
    x = 11,902,050,029,945,812/181,815,811.38
  6. Step 6: Final answer
    x = 65,462,128.62

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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.