Home / 81,008,514.74-111,792,091.23-43,838,796.83

Finding the Fourth Proportional to 81,008,514.74, 111,792,091.23 and 43,838,796.83

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Solution

The fourth proportional to 81,008,514.74, 111,792,091.23 and 43,838,796.83 is: 60,497,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,008,514.74 : 111,792,091.23 = 43,838,796.83 : x
  2. Step 2: Convert to fraction form
    81,008,514.74/111,792,091.23 = 43,838,796.83/x
  3. Step 3: Cross multiply
    81,008,514.74x = 111,792,091.23 × 43,838,796.83
  4. Step 4: Simplify right side
    81,008,514.74x = 4,900,830,774,073,835
  5. Step 5: Solve for x
    x = 4,900,830,774,073,835/81,008,514.74
  6. Step 6: Final answer
    x = 60,497,724.09

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