Home / 89,625,755.81-123,680,642.45-51,441,169.84

Finding the Fourth Proportional to 89,625,755.81, 123,680,642.45 and 51,441,169.84

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Solution

The fourth proportional to 89,625,755.81, 123,680,642.45 and 51,441,169.84 is: 70,987,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625,755.81 : 123,680,642.45 = 51,441,169.84 : x
  2. Step 2: Convert to fraction form
    89,625,755.81/123,680,642.45 = 51,441,169.84/x
  3. Step 3: Cross multiply
    89,625,755.81x = 123,680,642.45 × 51,441,169.84
  4. Step 4: Simplify right side
    89,625,755.81x = 6,362,276,933,624,356
  5. Step 5: Solve for x
    x = 6,362,276,933,624,356/89,625,755.81
  6. Step 6: Final answer
    x = 70,987,149.57

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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.