Home / 81,557,592.30-122,336,388.45-49,308,965.10

Finding the Fourth Proportional to 81,557,592.30, 122,336,388.45 and 49,308,965.10

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Solution

The fourth proportional to 81,557,592.30, 122,336,388.45 and 49,308,965.10 is: 73,963,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,557,592.30 : 122,336,388.45 = 49,308,965.10 : x
  2. Step 2: Convert to fraction form
    81,557,592.30/122,336,388.45 = 49,308,965.10/x
  3. Step 3: Cross multiply
    81,557,592.30x = 122,336,388.45 × 49,308,965.10
  4. Step 4: Simplify right side
    81,557,592.30x = 6,032,280,708,541,093
  5. Step 5: Solve for x
    x = 6,032,280,708,541,093/81,557,592.30
  6. Step 6: Final answer
    x = 73,963,447.65

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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.