Home / 112,786,988.28-169,147,661.62-43,684,379.39

Finding the Fourth Proportional to 112,786,988.28, 169,147,661.62 and 43,684,379.39

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Solution

The fourth proportional to 112,786,988.28, 169,147,661.62 and 43,684,379.39 is: 65,513,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,786,988.28 : 169,147,661.62 = 43,684,379.39 : x
  2. Step 2: Convert to fraction form
    112,786,988.28/169,147,661.62 = 43,684,379.39/x
  3. Step 3: Cross multiply
    112,786,988.28x = 169,147,661.62 × 43,684,379.39
  4. Step 4: Simplify right side
    112,786,988.28x = 7,389,110,623,139,422
  5. Step 5: Solve for x
    x = 7,389,110,623,139,422/112,786,988.28
  6. Step 6: Final answer
    x = 65,513,857.01

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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.