Home / 82,392,022.80-123,588,034.20-47,907,406.80

Finding the Fourth Proportional to 82,392,022.80, 123,588,034.20 and 47,907,406.80

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Solution

The fourth proportional to 82,392,022.80, 123,588,034.20 and 47,907,406.80 is: 71,861,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,392,022.80 : 123,588,034.20 = 47,907,406.80 : x
  2. Step 2: Convert to fraction form
    82,392,022.80/123,588,034.20 = 47,907,406.80/x
  3. Step 3: Cross multiply
    82,392,022.80x = 123,588,034.20 × 47,907,406.80
  4. Step 4: Simplify right side
    82,392,022.80x = 5,920,782,230,031,712
  5. Step 5: Solve for x
    x = 5,920,782,230,031,712/82,392,022.80
  6. Step 6: Final answer
    x = 71,861,110.20

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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.