Home / 54,839,140.72-82,242,148.20-16,490,474.80

Finding the Fourth Proportional to 54,839,140.72, 82,242,148.20 and 16,490,474.80

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Solution

The fourth proportional to 54,839,140.72, 82,242,148.20 and 16,490,474.80 is: 24,730,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839,140.72 : 82,242,148.20 = 16,490,474.80 : x
  2. Step 2: Convert to fraction form
    54,839,140.72/82,242,148.20 = 16,490,474.80/x
  3. Step 3: Cross multiply
    54,839,140.72x = 82,242,148.20 × 16,490,474.80
  4. Step 4: Simplify right side
    54,839,140.72x = 1,356,212,072,389,965.50
  5. Step 5: Solve for x
    x = 1,356,212,072,389,965.50/54,839,140.72
  6. Step 6: Final answer
    x = 24,730,731.64

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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.