Home / 42,028,069.20-63,042,103.80-14,765,145.90

Finding the Fourth Proportional to 42,028,069.20, 63,042,103.80 and 14,765,145.90

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Solution

The fourth proportional to 42,028,069.20, 63,042,103.80 and 14,765,145.90 is: 22,147,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028,069.20 : 63,042,103.80 = 14,765,145.90 : x
  2. Step 2: Convert to fraction form
    42,028,069.20/63,042,103.80 = 14,765,145.90/x
  3. Step 3: Cross multiply
    42,028,069.20x = 63,042,103.80 × 14,765,145.90
  4. Step 4: Simplify right side
    42,028,069.20x = 930,825,860,449,944.38
  5. Step 5: Solve for x
    x = 930,825,860,449,944.38/42,028,069.20
  6. Step 6: Final answer
    x = 22,147,718.85

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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.