Home / 112,544,122.78-155,310,889.44-61,035,898.78

Finding the Fourth Proportional to 112,544,122.78, 155,310,889.44 and 61,035,898.78

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Solution

The fourth proportional to 112,544,122.78, 155,310,889.44 and 61,035,898.78 is: 84,229,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,544,122.78 : 155,310,889.44 = 61,035,898.78 : x
  2. Step 2: Convert to fraction form
    112,544,122.78/155,310,889.44 = 61,035,898.78/x
  3. Step 3: Cross multiply
    112,544,122.78x = 155,310,889.44 × 61,035,898.78
  4. Step 4: Simplify right side
    112,544,122.78x = 9,479,539,727,371,002
  5. Step 5: Solve for x
    x = 9,479,539,727,371,002/112,544,122.78
  6. Step 6: Final answer
    x = 84,229,540.32

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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.