Home / 28,653,175.80-42,885,285.30-20,150,119.80

Finding the Fourth Proportional to 28,653,175.80, 42,885,285.30 and 20,150,119.80

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Solution

The fourth proportional to 28,653,175.80, 42,885,285.30 and 20,150,119.80 is: 30,158,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653,175.80 : 42,885,285.30 = 20,150,119.80 : x
  2. Step 2: Convert to fraction form
    28,653,175.80/42,885,285.30 = 20,150,119.80/x
  3. Step 3: Cross multiply
    28,653,175.80x = 42,885,285.30 × 20,150,119.80
  4. Step 4: Simplify right side
    28,653,175.80x = 864,143,636,452,178.88
  5. Step 5: Solve for x
    x = 864,143,636,452,178.88/28,653,175.80
  6. Step 6: Final answer
    x = 30,158,738.51

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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.