Home / 163,296,505.20-245,056,732.20-72,485,266.80

Finding the Fourth Proportional to 163,296,505.20, 245,056,732.20 and 72,485,266.80

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Solution

The fourth proportional to 163,296,505.20, 245,056,732.20 and 72,485,266.80 is: 108,777,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296,505.20 : 245,056,732.20 = 72,485,266.80 : x
  2. Step 2: Convert to fraction form
    163,296,505.20/245,056,732.20 = 72,485,266.80/x
  3. Step 3: Cross multiply
    163,296,505.20x = 245,056,732.20 × 72,485,266.80
  4. Step 4: Simplify right side
    163,296,505.20x = 17,763,002,614,653,150
  5. Step 5: Solve for x
    x = 17,763,002,614,653,150/163,296,505.20
  6. Step 6: Final answer
    x = 108,777,604.23

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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.