Home / 122,052,434.23-168,476,556.86-80,812,612.63

Finding the Fourth Proportional to 122,052,434.23, 168,476,556.86 and 80,812,612.63

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Solution

The fourth proportional to 122,052,434.23, 168,476,556.86 and 80,812,612.63 is: 111,550,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,052,434.23 : 168,476,556.86 = 80,812,612.63 : x
  2. Step 2: Convert to fraction form
    122,052,434.23/168,476,556.86 = 80,812,612.63/x
  3. Step 3: Cross multiply
    122,052,434.23x = 168,476,556.86 × 80,812,612.63
  4. Step 4: Simplify right side
    122,052,434.23x = 13,615,030,726,763,350
  5. Step 5: Solve for x
    x = 13,615,030,726,763,350/122,052,434.23
  6. Step 6: Final answer
    x = 111,550,669.29

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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.