Home / 303,274,021.20-454,911,031.80-109,215,387.60

Finding the Fourth Proportional to 303,274,021.20, 454,911,031.80 and 109,215,387.60

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Solution

The fourth proportional to 303,274,021.20, 454,911,031.80 and 109,215,387.60 is: 163,823,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,274,021.20 : 454,911,031.80 = 109,215,387.60 : x
  2. Step 2: Convert to fraction form
    303,274,021.20/454,911,031.80 = 109,215,387.60/x
  3. Step 3: Cross multiply
    303,274,021.20x = 454,911,031.80 × 109,215,387.60
  4. Step 4: Simplify right side
    303,274,021.20x = 49,683,284,661,552,928
  5. Step 5: Solve for x
    x = 49,683,284,661,552,928/303,274,021.20
  6. Step 6: Final answer
    x = 163,823,081.40

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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.