Home / 112,786,988.54-169,147,661.99-43,684,379.64

Finding the Fourth Proportional to 112,786,988.54, 169,147,661.99 and 43,684,379.64

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Solution

The fourth proportional to 112,786,988.54, 169,147,661.99 and 43,684,379.64 is: 65,513,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,786,988.54 : 169,147,661.99 = 43,684,379.64 : x
  2. Step 2: Convert to fraction form
    112,786,988.54/169,147,661.99 = 43,684,379.64/x
  3. Step 3: Cross multiply
    112,786,988.54x = 169,147,661.99 × 43,684,379.64
  4. Step 4: Simplify right side
    112,786,988.54x = 7,389,110,681,589,558
  5. Step 5: Solve for x
    x = 7,389,110,681,589,558/112,786,988.54
  6. Step 6: Final answer
    x = 65,513,857.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.