Home / 117,811,724,100.72-162,580,675,776.39-66,370,901,166.24

Finding the Fourth Proportional to 117,811,724,100.72, 162,580,675,776.39 and 66,370,901,166.24

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Solution

The fourth proportional to 117,811,724,100.72, 162,580,675,776.39 and 66,370,901,166.24 is: 91,592,123,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,811,724,100.72 : 162,580,675,776.39 = 66,370,901,166.24 : x
  2. Step 2: Convert to fraction form
    117,811,724,100.72/162,580,675,776.39 = 66,370,901,166.24/x
  3. Step 3: Cross multiply
    117,811,724,100.72x = 162,580,675,776.39 × 66,370,901,166.24
  4. Step 4: Simplify right side
    117,811,724,100.72x = 10,790,625,963,495,290,568,704
  5. Step 5: Solve for x
    x = 10,790,625,963,495,290,568,704/117,811,724,100.72
  6. Step 6: Final answer
    x = 91,592,123,329.51

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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.