Home / 248,062,405.76-372,149,666.12-82,065,521.28

Finding the Fourth Proportional to 248,062,405.76, 372,149,666.12 and 82,065,521.28

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Solution

The fourth proportional to 248,062,405.76, 372,149,666.12 and 82,065,521.28 is: 123,116,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,062,405.76 : 372,149,666.12 = 82,065,521.28 : x
  2. Step 2: Convert to fraction form
    248,062,405.76/372,149,666.12 = 82,065,521.28/x
  3. Step 3: Cross multiply
    248,062,405.76x = 372,149,666.12 × 82,065,521.28
  4. Step 4: Simplify right side
    248,062,405.76x = 30,540,656,345,916,480
  5. Step 5: Solve for x
    x = 30,540,656,345,916,480/248,062,405.76
  6. Step 6: Final answer
    x = 123,116,827.20

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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.