Home / 103,231,998.80-154,847,998.20-45,751,806.80

Finding the Fourth Proportional to 103,231,998.80, 154,847,998.20 and 45,751,806.80

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Solution

The fourth proportional to 103,231,998.80, 154,847,998.20 and 45,751,806.80 is: 68,627,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,231,998.80 : 154,847,998.20 = 45,751,806.80 : x
  2. Step 2: Convert to fraction form
    103,231,998.80/154,847,998.20 = 45,751,806.80/x
  3. Step 3: Cross multiply
    103,231,998.80x = 154,847,998.20 × 45,751,806.80
  4. Step 4: Simplify right side
    103,231,998.80x = 7,084,575,697,013,147
  5. Step 5: Solve for x
    x = 7,084,575,697,013,147/103,231,998.80
  6. Step 6: Final answer
    x = 68,627,710.20

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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.