Home / 81,761,399.78-112,830,213.38-46,479,206.75

Finding the Fourth Proportional to 81,761,399.78, 112,830,213.38 and 46,479,206.75

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Solution

The fourth proportional to 81,761,399.78, 112,830,213.38 and 46,479,206.75 is: 64,141,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,761,399.78 : 112,830,213.38 = 46,479,206.75 : x
  2. Step 2: Convert to fraction form
    81,761,399.78/112,830,213.38 = 46,479,206.75/x
  3. Step 3: Cross multiply
    81,761,399.78x = 112,830,213.38 × 46,479,206.75
  4. Step 4: Simplify right side
    81,761,399.78x = 5,244,258,815,103,240
  5. Step 5: Solve for x
    x = 5,244,258,815,103,240/81,761,399.78
  6. Step 6: Final answer
    x = 64,141,010.66

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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.