Home / 300,847,871.54-415,017,267.50-196,487,030.90

Finding the Fourth Proportional to 300,847,871.54, 415,017,267.50 and 196,487,030.90

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Solution

The fourth proportional to 300,847,871.54, 415,017,267.50 and 196,487,030.90 is: 271,052,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,847,871.54 : 415,017,267.50 = 196,487,030.90 : x
  2. Step 2: Convert to fraction form
    300,847,871.54/415,017,267.50 = 196,487,030.90/x
  3. Step 3: Cross multiply
    300,847,871.54x = 415,017,267.50 × 196,487,030.90
  4. Step 4: Simplify right side
    300,847,871.54x = 81,545,510,664,834,832
  5. Step 5: Solve for x
    x = 81,545,510,664,834,832/300,847,871.54
  6. Step 6: Final answer
    x = 271,052,310.41

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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.