Home / 80,814,992.28-111,297,969.18-75,628,011.48

Finding the Fourth Proportional to 80,814,992.28, 111,297,969.18 and 75,628,011.48

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Solution

The fourth proportional to 80,814,992.28, 111,297,969.18 and 75,628,011.48 is: 104,154,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,814,992.28 : 111,297,969.18 = 75,628,011.48 : x
  2. Step 2: Convert to fraction form
    80,814,992.28/111,297,969.18 = 75,628,011.48/x
  3. Step 3: Cross multiply
    80,814,992.28x = 111,297,969.18 × 75,628,011.48
  4. Step 4: Simplify right side
    80,814,992.28x = 8,417,244,090,845,727
  5. Step 5: Solve for x
    x = 8,417,244,090,845,727/80,814,992.28
  6. Step 6: Final answer
    x = 104,154,487.35

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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.