Home / 81,639,069.36-112,661,921.80-44,969,640.40

Finding the Fourth Proportional to 81,639,069.36, 112,661,921.80 and 44,969,640.40

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Solution

The fourth proportional to 81,639,069.36, 112,661,921.80 and 44,969,640.40 is: 62,058,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,639,069.36 : 112,661,921.80 = 44,969,640.40 : x
  2. Step 2: Convert to fraction form
    81,639,069.36/112,661,921.80 = 44,969,640.40/x
  3. Step 3: Cross multiply
    81,639,069.36x = 112,661,921.80 × 44,969,640.40
  4. Step 4: Simplify right side
    81,639,069.36x = 5,066,366,110,118,920
  5. Step 5: Solve for x
    x = 5,066,366,110,118,920/81,639,069.36
  6. Step 6: Final answer
    x = 62,058,107.10

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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.