Home / 74,025,899.52-102,158,934.27-40,986,149.37

Finding the Fourth Proportional to 74,025,899.52, 102,158,934.27 and 40,986,149.37

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Solution

The fourth proportional to 74,025,899.52, 102,158,934.27 and 40,986,149.37 is: 56,562,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025,899.52 : 102,158,934.27 = 40,986,149.37 : x
  2. Step 2: Convert to fraction form
    74,025,899.52/102,158,934.27 = 40,986,149.37/x
  3. Step 3: Cross multiply
    74,025,899.52x = 102,158,934.27 × 40,986,149.37
  4. Step 4: Simplify right side
    74,025,899.52x = 4,187,101,339,470,231.50
  5. Step 5: Solve for x
    x = 4,187,101,339,470,231.50/74,025,899.52
  6. Step 6: Final answer
    x = 56,562,653.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.