Home / 78,011,524.09-107,657,027.27-44,971,173.73

Finding the Fourth Proportional to 78,011,524.09, 107,657,027.27 and 44,971,173.73

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Solution

The fourth proportional to 78,011,524.09, 107,657,027.27 and 44,971,173.73 is: 62,060,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,011,524.09 : 107,657,027.27 = 44,971,173.73 : x
  2. Step 2: Convert to fraction form
    78,011,524.09/107,657,027.27 = 44,971,173.73/x
  3. Step 3: Cross multiply
    78,011,524.09x = 107,657,027.27 × 44,971,173.73
  4. Step 4: Simplify right side
    78,011,524.09x = 4,841,462,876,614,517
  5. Step 5: Solve for x
    x = 4,841,462,876,614,517/78,011,524.09
  6. Step 6: Final answer
    x = 62,060,867.71

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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.