Home / 53,507,508.85-80,241,576.27-18,483,713.20

Finding the Fourth Proportional to 53,507,508.85, 80,241,576.27 and 18,483,713.20

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Solution

The fourth proportional to 53,507,508.85, 80,241,576.27 and 18,483,713.20 is: 27,718,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,507,508.85 : 80,241,576.27 = 18,483,713.20 : x
  2. Step 2: Convert to fraction form
    53,507,508.85/80,241,576.27 = 18,483,713.20/x
  3. Step 3: Cross multiply
    53,507,508.85x = 80,241,576.27 × 18,483,713.20
  4. Step 4: Simplify right side
    53,507,508.85x = 1,483,162,282,490,605.75
  5. Step 5: Solve for x
    x = 1,483,162,282,490,605.75/53,507,508.85
  6. Step 6: Final answer
    x = 27,718,769.09

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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.