Home / 29,123,975.20-43,685,962.80-19,543,943.20

Finding the Fourth Proportional to 29,123,975.20, 43,685,962.80 and 19,543,943.20

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Solution

The fourth proportional to 29,123,975.20, 43,685,962.80 and 19,543,943.20 is: 29,315,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,975.20 : 43,685,962.80 = 19,543,943.20 : x
  2. Step 2: Convert to fraction form
    29,123,975.20/43,685,962.80 = 19,543,943.20/x
  3. Step 3: Cross multiply
    29,123,975.20x = 43,685,962.80 × 19,543,943.20
  4. Step 4: Simplify right side
    29,123,975.20x = 853,795,975,600,512.88
  5. Step 5: Solve for x
    x = 853,795,975,600,512.88/29,123,975.20
  6. Step 6: Final answer
    x = 29,315,914.80

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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.