Home / 89,709,231.62-123,798,787.08-48,456,123.92

Finding the Fourth Proportional to 89,709,231.62, 123,798,787.08 and 48,456,123.92

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Solution

The fourth proportional to 89,709,231.62, 123,798,787.08 and 48,456,123.92 is: 66,869,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709,231.62 : 123,798,787.08 = 48,456,123.92 : x
  2. Step 2: Convert to fraction form
    89,709,231.62/123,798,787.08 = 48,456,123.92/x
  3. Step 3: Cross multiply
    89,709,231.62x = 123,798,787.08 × 48,456,123.92
  4. Step 4: Simplify right side
    89,709,231.62x = 5,998,809,367,894,175
  5. Step 5: Solve for x
    x = 5,998,809,367,894,175/89,709,231.62
  6. Step 6: Final answer
    x = 66,869,476.64

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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.