Home / 186,715,525.80-280,073,288.70-132,189,679.20

Finding the Fourth Proportional to 186,715,525.80, 280,073,288.70 and 132,189,679.20

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Solution

The fourth proportional to 186,715,525.80, 280,073,288.70 and 132,189,679.20 is: 198,284,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,715,525.80 : 280,073,288.70 = 132,189,679.20 : x
  2. Step 2: Convert to fraction form
    186,715,525.80/280,073,288.70 = 132,189,679.20/x
  3. Step 3: Cross multiply
    186,715,525.80x = 280,073,288.70 × 132,189,679.20
  4. Step 4: Simplify right side
    186,715,525.80x = 37,022,798,185,741,984
  5. Step 5: Solve for x
    x = 37,022,798,185,741,984/186,715,525.80
  6. Step 6: Final answer
    x = 198,284,518.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.