Home / 89,685,991.30-123,766,667.32-48,432,880.04

Finding the Fourth Proportional to 89,685,991.30, 123,766,667.32 and 48,432,880.04

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Solution

The fourth proportional to 89,685,991.30, 123,766,667.32 and 48,432,880.04 is: 66,837,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,685,991.30 : 123,766,667.32 = 48,432,880.04 : x
  2. Step 2: Convert to fraction form
    89,685,991.30/123,766,667.32 = 48,432,880.04/x
  3. Step 3: Cross multiply
    89,685,991.30x = 123,766,667.32 × 48,432,880.04
  4. Step 4: Simplify right side
    89,685,991.30x = 5,994,376,151,260,148
  5. Step 5: Solve for x
    x = 5,994,376,151,260,148/89,685,991.30
  6. Step 6: Final answer
    x = 66,837,374.09

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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.