Home / 80,795,021.40-111,497,842.37-45,989,952.80

Finding the Fourth Proportional to 80,795,021.40, 111,497,842.37 and 45,989,952.80

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Solution

The fourth proportional to 80,795,021.40, 111,497,842.37 and 45,989,952.80 is: 63,466,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,795,021.40 : 111,497,842.37 = 45,989,952.80 : x
  2. Step 2: Convert to fraction form
    80,795,021.40/111,497,842.37 = 45,989,952.80/x
  3. Step 3: Cross multiply
    80,795,021.40x = 111,497,842.37 × 45,989,952.80
  4. Step 4: Simplify right side
    80,795,021.40x = 5,127,780,507,455,626
  5. Step 5: Solve for x
    x = 5,127,780,507,455,626/80,795,021.40
  6. Step 6: Final answer
    x = 63,466,540.62

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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.