Home / 181,632,004.80-272,448,007.20-86,080,516.80

Finding the Fourth Proportional to 181,632,004.80, 272,448,007.20 and 86,080,516.80

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Solution

The fourth proportional to 181,632,004.80, 272,448,007.20 and 86,080,516.80 is: 129,120,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,632,004.80 : 272,448,007.20 = 86,080,516.80 : x
  2. Step 2: Convert to fraction form
    181,632,004.80/272,448,007.20 = 86,080,516.80/x
  3. Step 3: Cross multiply
    181,632,004.80x = 272,448,007.20 × 86,080,516.80
  4. Step 4: Simplify right side
    181,632,004.80x = 23,452,465,260,906,120
  5. Step 5: Solve for x
    x = 23,452,465,260,906,120/181,632,004.80
  6. Step 6: Final answer
    x = 129,120,775.20

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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.