Home / 89,685,991.80-123,766,667.96-48,432,880.53

Finding the Fourth Proportional to 89,685,991.80, 123,766,667.96 and 48,432,880.53

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Solution

The fourth proportional to 89,685,991.80, 123,766,667.96 and 48,432,880.53 is: 66,837,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,685,991.80 : 123,766,667.96 = 48,432,880.53 : x
  2. Step 2: Convert to fraction form
    89,685,991.80/123,766,667.96 = 48,432,880.53/x
  3. Step 3: Cross multiply
    89,685,991.80x = 123,766,667.96 × 48,432,880.53
  4. Step 4: Simplify right side
    89,685,991.80x = 5,994,376,242,660,694
  5. Step 5: Solve for x
    x = 5,994,376,242,660,694/89,685,991.80
  6. Step 6: Final answer
    x = 66,837,374.74

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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.