Home / 328,725,003.24-493,120,134.90-121,517,717.40

Finding the Fourth Proportional to 328,725,003.24, 493,120,134.90 and 121,517,717.40

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Solution

The fourth proportional to 328,725,003.24, 493,120,134.90 and 121,517,717.40 is: 182,288,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,725,003.24 : 493,120,134.90 = 121,517,717.40 : x
  2. Step 2: Convert to fraction form
    328,725,003.24/493,120,134.90 = 121,517,717.40/x
  3. Step 3: Cross multiply
    328,725,003.24x = 493,120,134.90 × 121,517,717.40
  4. Step 4: Simplify right side
    328,725,003.24x = 59,922,833,197,028,080
  5. Step 5: Solve for x
    x = 59,922,833,197,028,080/328,725,003.24
  6. Step 6: Final answer
    x = 182,288,638.24

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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.