Home / 81,498,614.10-112,457,868.26-55,094,416.36

Finding the Fourth Proportional to 81,498,614.10, 112,457,868.26 and 55,094,416.36

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Solution

The fourth proportional to 81,498,614.10, 112,457,868.26 and 55,094,416.36 is: 76,023,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,498,614.10 : 112,457,868.26 = 55,094,416.36 : x
  2. Step 2: Convert to fraction form
    81,498,614.10/112,457,868.26 = 55,094,416.36/x
  3. Step 3: Cross multiply
    81,498,614.10x = 112,457,868.26 × 55,094,416.36
  4. Step 4: Simplify right side
    81,498,614.10x = 6,195,800,616,874,469
  5. Step 5: Solve for x
    x = 6,195,800,616,874,469/81,498,614.10
  6. Step 6: Final answer
    x = 76,023,386.23

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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.