Home / 117,398,561.69-161,973,684.33-67,820,845.97

Finding the Fourth Proportional to 117,398,561.69, 161,973,684.33 and 67,820,845.97

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Solution

The fourth proportional to 117,398,561.69, 161,973,684.33 and 67,820,845.97 is: 93,571,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,398,561.69 : 161,973,684.33 = 67,820,845.97 : x
  2. Step 2: Convert to fraction form
    117,398,561.69/161,973,684.33 = 67,820,845.97/x
  3. Step 3: Cross multiply
    117,398,561.69x = 161,973,684.33 × 67,820,845.97
  4. Step 4: Simplify right side
    117,398,561.69x = 10,985,192,296,138,334
  5. Step 5: Solve for x
    x = 10,985,192,296,138,334/117,398,561.69
  6. Step 6: Final answer
    x = 93,571,779.23

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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.