Home / 69,164,943.30-103,747,414.95-21,295,887.30

Finding the Fourth Proportional to 69,164,943.30, 103,747,414.95 and 21,295,887.30

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Solution

The fourth proportional to 69,164,943.30, 103,747,414.95 and 21,295,887.30 is: 31,943,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164,943.30 : 103,747,414.95 = 21,295,887.30 : x
  2. Step 2: Convert to fraction form
    69,164,943.30/103,747,414.95 = 21,295,887.30/x
  3. Step 3: Cross multiply
    69,164,943.30x = 103,747,414.95 × 21,295,887.30
  4. Step 4: Simplify right side
    69,164,943.30x = 2,209,393,256,441,535.25
  5. Step 5: Solve for x
    x = 2,209,393,256,441,535.25/69,164,943.30
  6. Step 6: Final answer
    x = 31,943,830.95

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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.