Home / 42,621,422.80-63,837,655.80-25,615,310.80

Finding the Fourth Proportional to 42,621,422.80, 63,837,655.80 and 25,615,310.80

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Solution

The fourth proportional to 42,621,422.80, 63,837,655.80 and 25,615,310.80 is: 38,366,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621,422.80 : 63,837,655.80 = 25,615,310.80 : x
  2. Step 2: Convert to fraction form
    42,621,422.80/63,837,655.80 = 25,615,310.80/x
  3. Step 3: Cross multiply
    42,621,422.80x = 63,837,655.80 × 25,615,310.80
  4. Step 4: Simplify right side
    42,621,422.80x = 1,635,221,394,060,422.50
  5. Step 5: Solve for x
    x = 1,635,221,394,060,422.50/42,621,422.80
  6. Step 6: Final answer
    x = 38,366,185.05

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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.