Home / 320,030,180.80-480,045,271.20-221,394,731.20

Finding the Fourth Proportional to 320,030,180.80, 480,045,271.20 and 221,394,731.20

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Solution

The fourth proportional to 320,030,180.80, 480,045,271.20 and 221,394,731.20 is: 332,092,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,030,180.80 : 480,045,271.20 = 221,394,731.20 : x
  2. Step 2: Convert to fraction form
    320,030,180.80/480,045,271.20 = 221,394,731.20/x
  3. Step 3: Cross multiply
    320,030,180.80x = 480,045,271.20 × 221,394,731.20
  4. Step 4: Simplify right side
    320,030,180.80x = 106,279,493,781,155,088
  5. Step 5: Solve for x
    x = 106,279,493,781,155,088/320,030,180.80
  6. Step 6: Final answer
    x = 332,092,096.80

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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.