Home / 146,240,004.32-201,693,532.92-128,561,107.94

Finding the Fourth Proportional to 146,240,004.32, 201,693,532.92 and 128,561,107.94

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Solution

The fourth proportional to 146,240,004.32, 201,693,532.92 and 128,561,107.94 is: 177,310,881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,240,004.32 : 201,693,532.92 = 128,561,107.94 : x
  2. Step 2: Convert to fraction form
    146,240,004.32/201,693,532.92 = 128,561,107.94/x
  3. Step 3: Cross multiply
    146,240,004.32x = 201,693,532.92 × 128,561,107.94
  4. Step 4: Simplify right side
    146,240,004.32x = 25,929,944,055,885,256
  5. Step 5: Solve for x
    x = 25,929,944,055,885,256/146,240,004.32
  6. Step 6: Final answer
    x = 177,310,881.36

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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.