Home / 307,345,332.22-461,018,076.80-86,049,274.73

Finding the Fourth Proportional to 307,345,332.22, 461,018,076.80 and 86,049,274.73

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Solution

The fourth proportional to 307,345,332.22, 461,018,076.80 and 86,049,274.73 is: 129,073,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,345,332.22 : 461,018,076.80 = 86,049,274.73 : x
  2. Step 2: Convert to fraction form
    307,345,332.22/461,018,076.80 = 86,049,274.73/x
  3. Step 3: Cross multiply
    307,345,332.22x = 461,018,076.80 × 86,049,274.73
  4. Step 4: Simplify right side
    307,345,332.22x = 39,670,271,143,324,104
  5. Step 5: Solve for x
    x = 39,670,271,143,324,104/307,345,332.22
  6. Step 6: Final answer
    x = 129,073,934.06

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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.