Home / 112,313,035.26-169,236,171.72-92,291,265.36

Finding the Fourth Proportional to 112,313,035.26, 169,236,171.72 and 92,291,265.36

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Solution

The fourth proportional to 112,313,035.26, 169,236,171.72 and 92,291,265.36 is: 139,066,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313,035.26 : 169,236,171.72 = 92,291,265.36 : x
  2. Step 2: Convert to fraction form
    112,313,035.26/169,236,171.72 = 92,291,265.36/x
  3. Step 3: Cross multiply
    112,313,035.26x = 169,236,171.72 × 92,291,265.36
  4. Step 4: Simplify right side
    112,313,035.26x = 15,619,020,432,721,048
  5. Step 5: Solve for x
    x = 15,619,020,432,721,048/112,313,035.26
  6. Step 6: Final answer
    x = 139,066,853.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.