Home / 122,083,998.80-183,125,998.20-105,644,757.20

Finding the Fourth Proportional to 122,083,998.80, 183,125,998.20 and 105,644,757.20

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Solution

The fourth proportional to 122,083,998.80, 183,125,998.20 and 105,644,757.20 is: 158,467,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,083,998.80 : 183,125,998.20 = 105,644,757.20 : x
  2. Step 2: Convert to fraction form
    122,083,998.80/183,125,998.20 = 105,644,757.20/x
  3. Step 3: Cross multiply
    122,083,998.80x = 183,125,998.20 × 105,644,757.20
  4. Step 4: Simplify right side
    122,083,998.80x = 19,346,301,616,846,636
  5. Step 5: Solve for x
    x = 19,346,301,616,846,636/122,083,998.80
  6. Step 6: Final answer
    x = 158,467,135.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.