Home / 77,850,625.50-107,430,460.92-42,567,765.42

Finding the Fourth Proportional to 77,850,625.50, 107,430,460.92 and 42,567,765.42

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Solution

The fourth proportional to 77,850,625.50, 107,430,460.92 and 42,567,765.42 is: 58,741,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,850,625.50 : 107,430,460.92 = 42,567,765.42 : x
  2. Step 2: Convert to fraction form
    77,850,625.50/107,430,460.92 = 42,567,765.42/x
  3. Step 3: Cross multiply
    77,850,625.50x = 107,430,460.92 × 42,567,765.42
  4. Step 4: Simplify right side
    77,850,625.50x = 4,573,074,659,405,038
  5. Step 5: Solve for x
    x = 4,573,074,659,405,038/77,850,625.50
  6. Step 6: Final answer
    x = 58,741,655.96

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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.