Home / 63,072,031.20-94,608,046.80-20,521,759.20

Finding the Fourth Proportional to 63,072,031.20, 94,608,046.80 and 20,521,759.20

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Solution

The fourth proportional to 63,072,031.20, 94,608,046.80 and 20,521,759.20 is: 30,782,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072,031.20 : 94,608,046.80 = 20,521,759.20 : x
  2. Step 2: Convert to fraction form
    63,072,031.20/94,608,046.80 = 20,521,759.20/x
  3. Step 3: Cross multiply
    63,072,031.20x = 94,608,046.80 × 20,521,759.20
  4. Step 4: Simplify right side
    63,072,031.20x = 1,941,523,554,811,930.50
  5. Step 5: Solve for x
    x = 1,941,523,554,811,930.50/63,072,031.20
  6. Step 6: Final answer
    x = 30,782,638.80

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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.