Home / 243,120,010.46-335,505,228.30-131,610,821.72

Finding the Fourth Proportional to 243,120,010.46, 335,505,228.30 and 131,610,821.72

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Solution

The fourth proportional to 243,120,010.46, 335,505,228.30 and 131,610,821.72 is: 181,622,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,120,010.46 : 335,505,228.30 = 131,610,821.72 : x
  2. Step 2: Convert to fraction form
    243,120,010.46/335,505,228.30 = 131,610,821.72/x
  3. Step 3: Cross multiply
    243,120,010.46x = 335,505,228.30 × 131,610,821.72
  4. Step 4: Simplify right side
    243,120,010.46x = 44,156,118,786,241,672
  5. Step 5: Solve for x
    x = 44,156,118,786,241,672/243,120,010.46
  6. Step 6: Final answer
    x = 181,622,724.94

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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.