Home / 174,625,665.60-261,969,991.20-72,400,036.80

Finding the Fourth Proportional to 174,625,665.60, 261,969,991.20 and 72,400,036.80

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Solution

The fourth proportional to 174,625,665.60, 261,969,991.20 and 72,400,036.80 is: 108,613,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,625,665.60 : 261,969,991.20 = 72,400,036.80 : x
  2. Step 2: Convert to fraction form
    174,625,665.60/261,969,991.20 = 72,400,036.80/x
  3. Step 3: Cross multiply
    174,625,665.60x = 261,969,991.20 × 72,400,036.80
  4. Step 4: Simplify right side
    174,625,665.60x = 18,966,637,003,375,676
  5. Step 5: Solve for x
    x = 18,966,637,003,375,676/174,625,665.60
  6. Step 6: Final answer
    x = 108,613,112.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.