Home / 275,942,290.09-413,974,958.32-79,190,365.85

Finding the Fourth Proportional to 275,942,290.09, 413,974,958.32 and 79,190,365.85

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Solution

The fourth proportional to 275,942,290.09, 413,974,958.32 and 79,190,365.85 is: 118,803,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,942,290.09 : 413,974,958.32 = 79,190,365.85 : x
  2. Step 2: Convert to fraction form
    275,942,290.09/413,974,958.32 = 79,190,365.85/x
  3. Step 3: Cross multiply
    275,942,290.09x = 413,974,958.32 × 79,190,365.85
  4. Step 4: Simplify right side
    275,942,290.09x = 32,782,828,404,009,432
  5. Step 5: Solve for x
    x = 32,782,828,404,009,432/275,942,290.09
  6. Step 6: Final answer
    x = 118,803,204.81

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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.