Home / 89,579,029.62-123,611,179.78-49,883,560.81

Finding the Fourth Proportional to 89,579,029.62, 123,611,179.78 and 49,883,560.81

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Solution

The fourth proportional to 89,579,029.62, 123,611,179.78 and 49,883,560.81 is: 68,834,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,579,029.62 : 123,611,179.78 = 49,883,560.81 : x
  2. Step 2: Convert to fraction form
    89,579,029.62/123,611,179.78 = 49,883,560.81/x
  3. Step 3: Cross multiply
    89,579,029.62x = 123,611,179.78 × 49,883,560.81
  4. Step 4: Simplify right side
    89,579,029.62x = 6,166,165,802,483,999
  5. Step 5: Solve for x
    x = 6,166,165,802,483,999/89,579,029.62
  6. Step 6: Final answer
    x = 68,834,925.19

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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.