Home / 138,036,669.94-190,467,193.80-82,281,091.06

Finding the Fourth Proportional to 138,036,669.94, 190,467,193.80 and 82,281,091.06

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Solution

The fourth proportional to 138,036,669.94, 190,467,193.80 and 82,281,091.06 is: 113,533,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,036,669.94 : 190,467,193.80 = 82,281,091.06 : x
  2. Step 2: Convert to fraction form
    138,036,669.94/190,467,193.80 = 82,281,091.06/x
  3. Step 3: Cross multiply
    138,036,669.94x = 190,467,193.80 × 82,281,091.06
  4. Step 4: Simplify right side
    138,036,669.94x = 15,671,848,517,000,468
  5. Step 5: Solve for x
    x = 15,671,848,517,000,468/138,036,669.94
  6. Step 6: Final answer
    x = 113,533,950.97

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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.