Home / 121,013,998.80-181,304,485.20-73,604,212.80

Finding the Fourth Proportional to 121,013,998.80, 181,304,485.20 and 73,604,212.80

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Solution

The fourth proportional to 121,013,998.80, 181,304,485.20 and 73,604,212.80 is: 110,274,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,013,998.80 : 181,304,485.20 = 73,604,212.80 : x
  2. Step 2: Convert to fraction form
    121,013,998.80/181,304,485.20 = 73,604,212.80/x
  3. Step 3: Cross multiply
    121,013,998.80x = 181,304,485.20 × 73,604,212.80
  4. Step 4: Simplify right side
    121,013,998.80x = 13,344,773,910,255,250
  5. Step 5: Solve for x
    x = 13,344,773,910,255,250/121,013,998.80
  6. Step 6: Final answer
    x = 110,274,629.73

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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.