Home / 307,659,877.89-461,563,234.10-100,398,674.15

Finding the Fourth Proportional to 307,659,877.89, 461,563,234.10 and 100,398,674.15

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Solution

The fourth proportional to 307,659,877.89, 461,563,234.10 and 100,398,674.15 is: 150,621,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,659,877.89 : 461,563,234.10 = 100,398,674.15 : x
  2. Step 2: Convert to fraction form
    307,659,877.89/461,563,234.10 = 100,398,674.15/x
  3. Step 3: Cross multiply
    307,659,877.89x = 461,563,234.10 × 100,398,674.15
  4. Step 4: Simplify right side
    307,659,877.89x = 46,340,336,737,216,256
  5. Step 5: Solve for x
    x = 46,340,336,737,216,256/307,659,877.89
  6. Step 6: Final answer
    x = 150,621,969.48

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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.