Home / 135,833,329.62-187,466,933.25-77,115,004.02

Finding the Fourth Proportional to 135,833,329.62, 187,466,933.25 and 77,115,004.02

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Solution

The fourth proportional to 135,833,329.62, 187,466,933.25 and 77,115,004.02 is: 106,428,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,833,329.62 : 187,466,933.25 = 77,115,004.02 : x
  2. Step 2: Convert to fraction form
    135,833,329.62/187,466,933.25 = 77,115,004.02/x
  3. Step 3: Cross multiply
    135,833,329.62x = 187,466,933.25 × 77,115,004.02
  4. Step 4: Simplify right side
    135,833,329.62x = 14,456,513,311,190,820
  5. Step 5: Solve for x
    x = 14,456,513,311,190,820/135,833,329.62
  6. Step 6: Final answer
    x = 106,428,321.76

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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.