Home / 50,387,241.45-69,534,222.67-28,360,728.11

Finding the Fourth Proportional to 50,387,241.45, 69,534,222.67 and 28,360,728.11

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Solution

The fourth proportional to 50,387,241.45, 69,534,222.67 and 28,360,728.11 is: 39,137,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,387,241.45 : 69,534,222.67 = 28,360,728.11 : x
  2. Step 2: Convert to fraction form
    50,387,241.45/69,534,222.67 = 28,360,728.11/x
  3. Step 3: Cross multiply
    50,387,241.45x = 69,534,222.67 × 28,360,728.11
  4. Step 4: Simplify right side
    50,387,241.45x = 1,972,041,183,484,068.25
  5. Step 5: Solve for x
    x = 1,972,041,183,484,068.25/50,387,241.45
  6. Step 6: Final answer
    x = 39,137,708.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.