Home / 91,655,449.83-126,817,593.14-79,919,174.54

Finding the Fourth Proportional to 91,655,449.83, 126,817,593.14 and 79,919,174.54

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Solution

The fourth proportional to 91,655,449.83, 126,817,593.14 and 79,919,174.54 is: 110,578,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,655,449.83 : 126,817,593.14 = 79,919,174.54 : x
  2. Step 2: Convert to fraction form
    91,655,449.83/126,817,593.14 = 79,919,174.54/x
  3. Step 3: Cross multiply
    91,655,449.83x = 126,817,593.14 × 79,919,174.54
  4. Step 4: Simplify right side
    91,655,449.83x = 10,135,157,361,415,208
  5. Step 5: Solve for x
    x = 10,135,157,361,415,208/91,655,449.83
  6. Step 6: Final answer
    x = 110,578,884.07

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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.