Home / 81,336,674.56-112,216,550.16-51,985,187.68

Finding the Fourth Proportional to 81,336,674.56, 112,216,550.16 and 51,985,187.68

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Solution

The fourth proportional to 81,336,674.56, 112,216,550.16 and 51,985,187.68 is: 71,721,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336,674.56 : 112,216,550.16 = 51,985,187.68 : x
  2. Step 2: Convert to fraction form
    81,336,674.56/112,216,550.16 = 51,985,187.68/x
  3. Step 3: Cross multiply
    81,336,674.56x = 112,216,550.16 × 51,985,187.68
  4. Step 4: Simplify right side
    81,336,674.56x = 5,833,598,420,869,734
  5. Step 5: Solve for x
    x = 5,833,598,420,869,734/81,336,674.56
  6. Step 6: Final answer
    x = 71,721,624.38

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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.