Home / 89,813,802.09-123,942,799.71-50,120,908.62

Finding the Fourth Proportional to 89,813,802.09, 123,942,799.71 and 50,120,908.62

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Solution

The fourth proportional to 89,813,802.09, 123,942,799.71 and 50,120,908.62 is: 69,166,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813,802.09 : 123,942,799.71 = 50,120,908.62 : x
  2. Step 2: Convert to fraction form
    89,813,802.09/123,942,799.71 = 50,120,908.62/x
  3. Step 3: Cross multiply
    89,813,802.09x = 123,942,799.71 × 50,120,908.62
  4. Step 4: Simplify right side
    89,813,802.09x = 6,212,125,738,371,872
  5. Step 5: Solve for x
    x = 6,212,125,738,371,872/89,813,802.09
  6. Step 6: Final answer
    x = 69,166,715.96

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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.