Home / 115,597,515.85-159,370,253.00-91,833,989.30

Finding the Fourth Proportional to 115,597,515.85, 159,370,253.00 and 91,833,989.30

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Solution

The fourth proportional to 115,597,515.85, 159,370,253.00 and 91,833,989.30 is: 126,608,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,597,515.85 : 159,370,253.00 = 91,833,989.30 : x
  2. Step 2: Convert to fraction form
    115,597,515.85/159,370,253.00 = 91,833,989.30/x
  3. Step 3: Cross multiply
    115,597,515.85x = 159,370,253.00 × 91,833,989.30
  4. Step 4: Simplify right side
    115,597,515.85x = 14,635,606,108,679,548
  5. Step 5: Solve for x
    x = 14,635,606,108,679,548/115,597,515.85
  6. Step 6: Final answer
    x = 126,608,309.89

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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.