Home / 74,197,514.45-111,297,218.23-19,609,628.12

Finding the Fourth Proportional to 74,197,514.45, 111,297,218.23 and 19,609,628.12

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Solution

The fourth proportional to 74,197,514.45, 111,297,218.23 and 19,609,628.12 is: 29,414,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197,514.45 : 111,297,218.23 = 19,609,628.12 : x
  2. Step 2: Convert to fraction form
    74,197,514.45/111,297,218.23 = 19,609,628.12/x
  3. Step 3: Cross multiply
    74,197,514.45x = 111,297,218.23 × 19,609,628.12
  4. Step 4: Simplify right side
    74,197,514.45x = 2,182,497,060,792,222
  5. Step 5: Solve for x
    x = 2,182,497,060,792,222/74,197,514.45
  6. Step 6: Final answer
    x = 29,414,692.35

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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.