Home / 71,082,355.57-106,627,521.86-19,960,388.58

Finding the Fourth Proportional to 71,082,355.57, 106,627,521.86 and 19,960,388.58

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Solution

The fourth proportional to 71,082,355.57, 106,627,521.86 and 19,960,388.58 is: 29,941,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,355.57 : 106,627,521.86 = 19,960,388.58 : x
  2. Step 2: Convert to fraction form
    71,082,355.57/106,627,521.86 = 19,960,388.58/x
  3. Step 3: Cross multiply
    71,082,355.57x = 106,627,521.86 × 19,960,388.58
  4. Step 4: Simplify right side
    71,082,355.57x = 2,128,326,769,648,044.25
  5. Step 5: Solve for x
    x = 2,128,326,769,648,044.25/71,082,355.57
  6. Step 6: Final answer
    x = 29,941,702.87

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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.