Home / 42,028,081.20-63,042,121.80-14,765,157.90

Finding the Fourth Proportional to 42,028,081.20, 63,042,121.80 and 14,765,157.90

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Solution

The fourth proportional to 42,028,081.20, 63,042,121.80 and 14,765,157.90 is: 22,147,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028,081.20 : 63,042,121.80 = 14,765,157.90 : x
  2. Step 2: Convert to fraction form
    42,028,081.20/63,042,121.80 = 14,765,157.90/x
  3. Step 3: Cross multiply
    42,028,081.20x = 63,042,121.80 × 14,765,157.90
  4. Step 4: Simplify right side
    42,028,081.20x = 930,826,882,728,032.25
  5. Step 5: Solve for x
    x = 930,826,882,728,032.25/42,028,081.20
  6. Step 6: Final answer
    x = 22,147,736.85

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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.