Home / 82,837,672.92-124,256,519.10-25,329,945.78

Finding the Fourth Proportional to 82,837,672.92, 124,256,519.10 and 25,329,945.78

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Solution

The fourth proportional to 82,837,672.92, 124,256,519.10 and 25,329,945.78 is: 37,994,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,837,672.92 : 124,256,519.10 = 25,329,945.78 : x
  2. Step 2: Convert to fraction form
    82,837,672.92/124,256,519.10 = 25,329,945.78/x
  3. Step 3: Cross multiply
    82,837,672.92x = 124,256,519.10 × 25,329,945.78
  4. Step 4: Simplify right side
    82,837,672.92x = 3,147,410,891,614,534.50
  5. Step 5: Solve for x
    x = 3,147,410,891,614,534.50/82,837,672.92
  6. Step 6: Final answer
    x = 37,994,921.64

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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.