Home / 89,611,160.28-123,658,603.64-49,375,907.48

Finding the Fourth Proportional to 89,611,160.28, 123,658,603.64 and 49,375,907.48

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Solution

The fourth proportional to 89,611,160.28, 123,658,603.64 and 49,375,907.48 is: 68,136,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611,160.28 : 123,658,603.64 = 49,375,907.48 : x
  2. Step 2: Convert to fraction form
    89,611,160.28/123,658,603.64 = 49,375,907.48/x
  3. Step 3: Cross multiply
    89,611,160.28x = 123,658,603.64 × 49,375,907.48
  4. Step 4: Simplify right side
    89,611,160.28x = 6,105,755,772,434,631
  5. Step 5: Solve for x
    x = 6,105,755,772,434,631/89,611,160.28
  6. Step 6: Final answer
    x = 68,136,108.87

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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.