Home / 68,245,040.80-102,367,561.20-22,186,820.80

Finding the Fourth Proportional to 68,245,040.80, 102,367,561.20 and 22,186,820.80

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Solution

The fourth proportional to 68,245,040.80, 102,367,561.20 and 22,186,820.80 is: 33,280,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,245,040.80 : 102,367,561.20 = 22,186,820.80 : x
  2. Step 2: Convert to fraction form
    68,245,040.80/102,367,561.20 = 22,186,820.80/x
  3. Step 3: Cross multiply
    68,245,040.80x = 102,367,561.20 × 22,186,820.80
  4. Step 4: Simplify right side
    68,245,040.80x = 2,271,210,736,077,433
  5. Step 5: Solve for x
    x = 2,271,210,736,077,433/68,245,040.80
  6. Step 6: Final answer
    x = 33,280,231.20

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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.