Home / 56,932,858.88-78,567,393.12-30,827,390.48

Finding the Fourth Proportional to 56,932,858.88, 78,567,393.12 and 30,827,390.48

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Solution

The fourth proportional to 56,932,858.88, 78,567,393.12 and 30,827,390.48 is: 42,541,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932,858.88 : 78,567,393.12 = 30,827,390.48 : x
  2. Step 2: Convert to fraction form
    56,932,858.88/78,567,393.12 = 30,827,390.48/x
  3. Step 3: Cross multiply
    56,932,858.88x = 78,567,393.12 × 30,827,390.48
  4. Step 4: Simplify right side
    56,932,858.88x = 2,422,027,706,705,905.50
  5. Step 5: Solve for x
    x = 2,422,027,706,705,905.50/56,932,858.88
  6. Step 6: Final answer
    x = 42,541,824.78

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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.