Home / 84,555,418.68-126,786,971.52-25,459,179.48

Finding the Fourth Proportional to 84,555,418.68, 126,786,971.52 and 25,459,179.48

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Solution

The fourth proportional to 84,555,418.68, 126,786,971.52 and 25,459,179.48 is: 38,174,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,555,418.68 : 126,786,971.52 = 25,459,179.48 : x
  2. Step 2: Convert to fraction form
    84,555,418.68/126,786,971.52 = 25,459,179.48/x
  3. Step 3: Cross multiply
    84,555,418.68x = 126,786,971.52 × 25,459,179.48
  4. Step 4: Simplify right side
    84,555,418.68x = 3,227,892,263,653,328.50
  5. Step 5: Solve for x
    x = 3,227,892,263,653,328.50/84,555,418.68
  6. Step 6: Final answer
    x = 38,174,871.75

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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.