Home / 122,435,726.22-168,953,550.96-67,431,582.72

Finding the Fourth Proportional to 122,435,726.22, 168,953,550.96 and 67,431,582.72

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Solution

The fourth proportional to 122,435,726.22, 168,953,550.96 and 67,431,582.72 is: 93,051,315.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,435,726.22 : 168,953,550.96 = 67,431,582.72 : x
  2. Step 2: Convert to fraction form
    122,435,726.22/168,953,550.96 = 67,431,582.72/x
  3. Step 3: Cross multiply
    122,435,726.22x = 168,953,550.96 × 67,431,582.72
  4. Step 4: Simplify right side
    122,435,726.22x = 11,392,805,347,396,976
  5. Step 5: Solve for x
    x = 11,392,805,347,396,976/122,435,726.22
  6. Step 6: Final answer
    x = 93,051,315.16

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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.