Home / 81,297,123.88-112,187,128.26-46,014,171.88

Finding the Fourth Proportional to 81,297,123.88, 112,187,128.26 and 46,014,171.88

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Solution

The fourth proportional to 81,297,123.88, 112,187,128.26 and 46,014,171.88 is: 63,497,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,297,123.88 : 112,187,128.26 = 46,014,171.88 : x
  2. Step 2: Convert to fraction form
    81,297,123.88/112,187,128.26 = 46,014,171.88/x
  3. Step 3: Cross multiply
    81,297,123.88x = 112,187,128.26 × 46,014,171.88
  4. Step 4: Simplify right side
    81,297,123.88x = 5,162,197,802,479,246
  5. Step 5: Solve for x
    x = 5,162,197,802,479,246/81,297,123.88
  6. Step 6: Final answer
    x = 63,497,914.27

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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.