Home / 54,047,269.54-81,054,137.10-19,499,180.11

Finding the Fourth Proportional to 54,047,269.54, 81,054,137.10 and 19,499,180.11

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Solution

The fourth proportional to 54,047,269.54, 81,054,137.10 and 19,499,180.11 is: 29,242,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047,269.54 : 81,054,137.10 = 19,499,180.11 : x
  2. Step 2: Convert to fraction form
    54,047,269.54/81,054,137.10 = 19,499,180.11/x
  3. Step 3: Cross multiply
    54,047,269.54x = 81,054,137.10 × 19,499,180.11
  4. Step 4: Simplify right side
    54,047,269.54x = 1,580,489,217,973,533
  5. Step 5: Solve for x
    x = 1,580,489,217,973,533/54,047,269.54
  6. Step 6: Final answer
    x = 29,242,720.89

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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.