Home / 84,275,039.12-126,412,559.48-23,690,765.12

Finding the Fourth Proportional to 84,275,039.12, 126,412,559.48 and 23,690,765.12

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Solution

The fourth proportional to 84,275,039.12, 126,412,559.48 and 23,690,765.12 is: 35,536,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,275,039.12 : 126,412,559.48 = 23,690,765.12 : x
  2. Step 2: Convert to fraction form
    84,275,039.12/126,412,559.48 = 23,690,765.12/x
  3. Step 3: Cross multiply
    84,275,039.12x = 126,412,559.48 × 23,690,765.12
  4. Step 4: Simplify right side
    84,275,039.12x = 2,994,810,254,285,873.50
  5. Step 5: Solve for x
    x = 2,994,810,254,285,873.50/84,275,039.12
  6. Step 6: Final answer
    x = 35,536,147.90

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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.