Home / 81,492,912.75-112,476,194.96-46,708,917.15

Finding the Fourth Proportional to 81,492,912.75, 112,476,194.96 and 46,708,917.15

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Solution

The fourth proportional to 81,492,912.75, 112,476,194.96 and 46,708,917.15 is: 64,467,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492,912.75 : 112,476,194.96 = 46,708,917.15 : x
  2. Step 2: Convert to fraction form
    81,492,912.75/112,476,194.96 = 46,708,917.15/x
  3. Step 3: Cross multiply
    81,492,912.75x = 112,476,194.96 × 46,708,917.15
  4. Step 4: Simplify right side
    81,492,912.75x = 5,253,641,271,500,343
  5. Step 5: Solve for x
    x = 5,253,641,271,500,343/81,492,912.75
  6. Step 6: Final answer
    x = 64,467,462.19

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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.