Home / 51,978,259.44-71,729,129.88-28,772,895.60

Finding the Fourth Proportional to 51,978,259.44, 71,729,129.88 and 28,772,895.60

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Solution

The fourth proportional to 51,978,259.44, 71,729,129.88 and 28,772,895.60 is: 39,706,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,978,259.44 : 71,729,129.88 = 28,772,895.60 : x
  2. Step 2: Convert to fraction form
    51,978,259.44/71,729,129.88 = 28,772,895.60/x
  3. Step 3: Cross multiply
    51,978,259.44x = 71,729,129.88 × 28,772,895.60
  4. Step 4: Simplify right side
    51,978,259.44x = 2,063,854,765,516,080.50
  5. Step 5: Solve for x
    x = 2,063,854,765,516,080.50/51,978,259.44
  6. Step 6: Final answer
    x = 39,706,115.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.