Home / 82,624,858.80-123,932,802.69-25,112,645.88

Finding the Fourth Proportional to 82,624,858.80, 123,932,802.69 and 25,112,645.88

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Solution

The fourth proportional to 82,624,858.80, 123,932,802.69 and 25,112,645.88 is: 37,667,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,624,858.80 : 123,932,802.69 = 25,112,645.88 : x
  2. Step 2: Convert to fraction form
    82,624,858.80/123,932,802.69 = 25,112,645.88/x
  3. Step 3: Cross multiply
    82,624,858.80x = 123,932,802.69 × 25,112,645.88
  4. Step 4: Simplify right side
    82,624,858.80x = 3,112,280,586,869,881
  5. Step 5: Solve for x
    x = 3,112,280,586,869,881/82,624,858.80
  6. Step 6: Final answer
    x = 37,667,605.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.