Home / 69,164,948.30-103,747,422.45-21,295,892.30

Finding the Fourth Proportional to 69,164,948.30, 103,747,422.45 and 21,295,892.30

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Solution

The fourth proportional to 69,164,948.30, 103,747,422.45 and 21,295,892.30 is: 31,943,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164,948.30 : 103,747,422.45 = 21,295,892.30 : x
  2. Step 2: Convert to fraction form
    69,164,948.30/103,747,422.45 = 21,295,892.30/x
  3. Step 3: Cross multiply
    69,164,948.30x = 103,747,422.45 × 21,295,892.30
  4. Step 4: Simplify right side
    69,164,948.30x = 2,209,393,934,897,802.25
  5. Step 5: Solve for x
    x = 2,209,393,934,897,802.25/69,164,948.30
  6. Step 6: Final answer
    x = 31,943,838.45

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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.