Home / 81,683,479.50-112,719,921.82-44,512,967.54

Finding the Fourth Proportional to 81,683,479.50, 112,719,921.82 and 44,512,967.54

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Solution

The fourth proportional to 81,683,479.50, 112,719,921.82 and 44,512,967.54 is: 61,426,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,683,479.50 : 112,719,921.82 = 44,512,967.54 : x
  2. Step 2: Convert to fraction form
    81,683,479.50/112,719,921.82 = 44,512,967.54/x
  3. Step 3: Cross multiply
    81,683,479.50x = 112,719,921.82 × 44,512,967.54
  4. Step 4: Simplify right side
    81,683,479.50x = 5,017,498,221,084,997
  5. Step 5: Solve for x
    x = 5,017,498,221,084,997/81,683,479.50
  6. Step 6: Final answer
    x = 61,426,107.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.