Home / 66,192,642.80-99,288,964.20-17,670,402.80

Finding the Fourth Proportional to 66,192,642.80, 99,288,964.20 and 17,670,402.80

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Solution

The fourth proportional to 66,192,642.80, 99,288,964.20 and 17,670,402.80 is: 26,505,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192,642.80 : 99,288,964.20 = 17,670,402.80 : x
  2. Step 2: Convert to fraction form
    66,192,642.80/99,288,964.20 = 17,670,402.80/x
  3. Step 3: Cross multiply
    66,192,642.80x = 99,288,964.20 × 17,670,402.80
  4. Step 4: Simplify right side
    66,192,642.80x = 1,754,475,991,008,780
  5. Step 5: Solve for x
    x = 1,754,475,991,008,780/66,192,642.80
  6. Step 6: Final answer
    x = 26,505,604.20

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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.