Home / 89,625,756.81-123,680,643.82-51,441,170.84

Finding the Fourth Proportional to 89,625,756.81, 123,680,643.82 and 51,441,170.84

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Solution

The fourth proportional to 89,625,756.81, 123,680,643.82 and 51,441,170.84 is: 70,987,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625,756.81 : 123,680,643.82 = 51,441,170.84 : x
  2. Step 2: Convert to fraction form
    89,625,756.81/123,680,643.82 = 51,441,170.84/x
  3. Step 3: Cross multiply
    89,625,756.81x = 123,680,643.82 × 51,441,170.84
  4. Step 4: Simplify right side
    89,625,756.81x = 6,362,277,128,345,810
  5. Step 5: Solve for x
    x = 6,362,277,128,345,810/89,625,756.81
  6. Step 6: Final answer
    x = 70,987,150.96

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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.