Home / 81,842,619.35-112,925,954.67-47,028,583.73

Finding the Fourth Proportional to 81,842,619.35, 112,925,954.67 and 47,028,583.73

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Solution

The fourth proportional to 81,842,619.35, 112,925,954.67 and 47,028,583.73 is: 64,889,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,842,619.35 : 112,925,954.67 = 47,028,583.73 : x
  2. Step 2: Convert to fraction form
    81,842,619.35/112,925,954.67 = 47,028,583.73/x
  3. Step 3: Cross multiply
    81,842,619.35x = 112,925,954.67 × 47,028,583.73
  4. Step 4: Simplify right side
    81,842,619.35x = 5,310,747,713,923,650
  5. Step 5: Solve for x
    x = 5,310,747,713,923,650/81,842,619.35
  6. Step 6: Final answer
    x = 64,889,757.40

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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.