Home / 82,433,999.60-123,650,999.40-28,586,754.80

Finding the Fourth Proportional to 82,433,999.60, 123,650,999.40 and 28,586,754.80

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Solution

The fourth proportional to 82,433,999.60, 123,650,999.40 and 28,586,754.80 is: 42,880,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,433,999.60 : 123,650,999.40 = 28,586,754.80 : x
  2. Step 2: Convert to fraction form
    82,433,999.60/123,650,999.40 = 28,586,754.80/x
  3. Step 3: Cross multiply
    82,433,999.60x = 123,650,999.40 × 28,586,754.80
  4. Step 4: Simplify right side
    82,433,999.60x = 3,534,780,800,622,747.50
  5. Step 5: Solve for x
    x = 3,534,780,800,622,747.50/82,433,999.60
  6. Step 6: Final answer
    x = 42,880,132.20

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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.