Home / 103,610,728.80-155,374,102.80-35,418,319.20

Finding the Fourth Proportional to 103,610,728.80, 155,374,102.80 and 35,418,319.20

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Solution

The fourth proportional to 103,610,728.80, 155,374,102.80 and 35,418,319.20 is: 53,113,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,610,728.80 : 155,374,102.80 = 35,418,319.20 : x
  2. Step 2: Convert to fraction form
    103,610,728.80/155,374,102.80 = 35,418,319.20/x
  3. Step 3: Cross multiply
    103,610,728.80x = 155,374,102.80 × 35,418,319.20
  4. Step 4: Simplify right side
    103,610,728.80x = 5,503,089,568,384,015
  5. Step 5: Solve for x
    x = 5,503,089,568,384,015/103,610,728.80
  6. Step 6: Final answer
    x = 53,113,124.79

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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.