Home / 42,447,485.40-63,524,261.70-25,420,378.20

Finding the Fourth Proportional to 42,447,485.40, 63,524,261.70 and 25,420,378.20

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Solution

The fourth proportional to 42,447,485.40, 63,524,261.70 and 25,420,378.20 is: 38,042,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447,485.40 : 63,524,261.70 = 25,420,378.20 : x
  2. Step 2: Convert to fraction form
    42,447,485.40/63,524,261.70 = 25,420,378.20/x
  3. Step 3: Cross multiply
    42,447,485.40x = 63,524,261.70 × 25,420,378.20
  4. Step 4: Simplify right side
    42,447,485.40x = 1,614,810,757,289,775
  5. Step 5: Solve for x
    x = 1,614,810,757,289,775/42,447,485.40
  6. Step 6: Final answer
    x = 38,042,554.04

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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.