Home / 248,833,989.20-373,250,983.80-121,432,005.20

Finding the Fourth Proportional to 248,833,989.20, 373,250,983.80 and 121,432,005.20

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Solution

The fourth proportional to 248,833,989.20, 373,250,983.80 and 121,432,005.20 is: 182,148,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,833,989.20 : 373,250,983.80 = 121,432,005.20 : x
  2. Step 2: Convert to fraction form
    248,833,989.20/373,250,983.80 = 121,432,005.20/x
  3. Step 3: Cross multiply
    248,833,989.20x = 373,250,983.80 × 121,432,005.20
  4. Step 4: Simplify right side
    248,833,989.20x = 45,324,615,405,706,720
  5. Step 5: Solve for x
    x = 45,324,615,405,706,720/248,833,989.20
  6. Step 6: Final answer
    x = 182,148,007.80

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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.