Home / 53,436,057.76-73,741,902.62-28,989,771.76

Finding the Fourth Proportional to 53,436,057.76, 73,741,902.62 and 28,989,771.76

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Solution

The fourth proportional to 53,436,057.76, 73,741,902.62 and 28,989,771.76 is: 40,005,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,436,057.76 : 73,741,902.62 = 28,989,771.76 : x
  2. Step 2: Convert to fraction form
    53,436,057.76/73,741,902.62 = 28,989,771.76/x
  3. Step 3: Cross multiply
    53,436,057.76x = 73,741,902.62 × 28,989,771.76
  4. Step 4: Simplify right side
    53,436,057.76x = 2,137,760,926,101,946.25
  5. Step 5: Solve for x
    x = 2,137,760,926,101,946.25/53,436,057.76
  6. Step 6: Final answer
    x = 40,005,962.56

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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.