Home / 146,240,003.07-201,693,531.20-128,561,106.69

Finding the Fourth Proportional to 146,240,003.07, 201,693,531.20 and 128,561,106.69

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Solution

The fourth proportional to 146,240,003.07, 201,693,531.20 and 128,561,106.69 is: 177,310,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,240,003.07 : 201,693,531.20 = 128,561,106.69 : x
  2. Step 2: Convert to fraction form
    146,240,003.07/201,693,531.20 = 128,561,106.69/x
  3. Step 3: Cross multiply
    146,240,003.07x = 201,693,531.20 × 128,561,106.69
  4. Step 4: Simplify right side
    146,240,003.07x = 25,929,943,582,643,236
  5. Step 5: Solve for x
    x = 25,929,943,582,643,236/146,240,003.07
  6. Step 6: Final answer
    x = 177,310,879.64

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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.