Home / 36,154,550.87-49,881,143.27-20,471,431.31

Finding the Fourth Proportional to 36,154,550.87, 49,881,143.27 and 20,471,431.31

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Solution

The fourth proportional to 36,154,550.87, 49,881,143.27 and 20,471,431.31 is: 28,243,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154,550.87 : 49,881,143.27 = 20,471,431.31 : x
  2. Step 2: Convert to fraction form
    36,154,550.87/49,881,143.27 = 20,471,431.31/x
  3. Step 3: Cross multiply
    36,154,550.87x = 49,881,143.27 × 20,471,431.31
  4. Step 4: Simplify right side
    36,154,550.87x = 1,021,138,398,013,716.62
  5. Step 5: Solve for x
    x = 1,021,138,398,013,716.62/36,154,550.87
  6. Step 6: Final answer
    x = 28,243,703.03

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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.