Home / 69,164,952.30-103,747,428.45-21,295,896.30

Finding the Fourth Proportional to 69,164,952.30, 103,747,428.45 and 21,295,896.30

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Solution

The fourth proportional to 69,164,952.30, 103,747,428.45 and 21,295,896.30 is: 31,943,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164,952.30 : 103,747,428.45 = 21,295,896.30 : x
  2. Step 2: Convert to fraction form
    69,164,952.30/103,747,428.45 = 21,295,896.30/x
  3. Step 3: Cross multiply
    69,164,952.30x = 103,747,428.45 × 21,295,896.30
  4. Step 4: Simplify right side
    69,164,952.30x = 2,209,394,477,662,870
  5. Step 5: Solve for x
    x = 2,209,394,477,662,870/69,164,952.30
  6. Step 6: Final answer
    x = 31,943,844.45

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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.