Home / 169,921,832.40-234,407,239.56-107,275,571.28

Finding the Fourth Proportional to 169,921,832.40, 234,407,239.56 and 107,275,571.28

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Solution

The fourth proportional to 169,921,832.40, 234,407,239.56 and 107,275,571.28 is: 147,986,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,921,832.40 : 234,407,239.56 = 107,275,571.28 : x
  2. Step 2: Convert to fraction form
    169,921,832.40/234,407,239.56 = 107,275,571.28/x
  3. Step 3: Cross multiply
    169,921,832.40x = 234,407,239.56 × 107,275,571.28
  4. Step 4: Simplify right side
    169,921,832.40x = 25,146,170,535,966,816
  5. Step 5: Solve for x
    x = 25,146,170,535,966,816/169,921,832.40
  6. Step 6: Final answer
    x = 147,986,695.89

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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.