Home / 74,025,900.20-102,158,935.22-40,986,150.05

Finding the Fourth Proportional to 74,025,900.20, 102,158,935.22 and 40,986,150.05

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Solution

The fourth proportional to 74,025,900.20, 102,158,935.22 and 40,986,150.05 is: 56,562,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025,900.20 : 102,158,935.22 = 40,986,150.05 : x
  2. Step 2: Convert to fraction form
    74,025,900.20/102,158,935.22 = 40,986,150.05/x
  3. Step 3: Cross multiply
    74,025,900.20x = 102,158,935.22 × 40,986,150.05
  4. Step 4: Simplify right side
    74,025,900.20x = 4,187,101,448,233,012.50
  5. Step 5: Solve for x
    x = 4,187,101,448,233,012.50/74,025,900.20
  6. Step 6: Final answer
    x = 56,562,654.92

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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.