Home / 51,235,270.20-76,852,979.10-20,943,133.20

Finding the Fourth Proportional to 51,235,270.20, 76,852,979.10 and 20,943,133.20

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Solution

The fourth proportional to 51,235,270.20, 76,852,979.10 and 20,943,133.20 is: 31,414,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235,270.20 : 76,852,979.10 = 20,943,133.20 : x
  2. Step 2: Convert to fraction form
    51,235,270.20/76,852,979.10 = 20,943,133.20/x
  3. Step 3: Cross multiply
    51,235,270.20x = 76,852,979.10 × 20,943,133.20
  4. Step 4: Simplify right side
    51,235,270.20x = 1,609,542,178,108,116
  5. Step 5: Solve for x
    x = 1,609,542,178,108,116/51,235,270.20
  6. Step 6: Final answer
    x = 31,414,729.97

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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.