Home / 146,240,004.07-201,693,532.57-128,561,107.69

Finding the Fourth Proportional to 146,240,004.07, 201,693,532.57 and 128,561,107.69

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Solution

The fourth proportional to 146,240,004.07, 201,693,532.57 and 128,561,107.69 is: 177,310,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,240,004.07 : 201,693,532.57 = 128,561,107.69 : x
  2. Step 2: Convert to fraction form
    146,240,004.07/201,693,532.57 = 128,561,107.69/x
  3. Step 3: Cross multiply
    146,240,004.07x = 201,693,532.57 × 128,561,107.69
  4. Step 4: Simplify right side
    146,240,004.07x = 25,929,943,961,108,292
  5. Step 5: Solve for x
    x = 25,929,943,961,108,292/146,240,004.07
  6. Step 6: Final answer
    x = 177,310,881.01

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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.