Home / 81,110,706.40-111,932,314.90-43,941,713.65

Finding the Fourth Proportional to 81,110,706.40, 111,932,314.90 and 43,941,713.65

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Solution

The fourth proportional to 81,110,706.40, 111,932,314.90 and 43,941,713.65 is: 60,639,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,110,706.40 : 111,932,314.90 = 43,941,713.65 : x
  2. Step 2: Convert to fraction form
    81,110,706.40/111,932,314.90 = 43,941,713.65/x
  3. Step 3: Cross multiply
    81,110,706.40x = 111,932,314.90 × 43,941,713.65
  4. Step 4: Simplify right side
    81,110,706.40x = 4,918,497,728,738,058
  5. Step 5: Solve for x
    x = 4,918,497,728,738,058/81,110,706.40
  6. Step 6: Final answer
    x = 60,639,315.66

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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.