Home / 55,422,288.40-83,133,432.60-54,005,112.40

Finding the Fourth Proportional to 55,422,288.40, 83,133,432.60 and 54,005,112.40

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Solution

The fourth proportional to 55,422,288.40, 83,133,432.60 and 54,005,112.40 is: 81,007,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422,288.40 : 83,133,432.60 = 54,005,112.40 : x
  2. Step 2: Convert to fraction form
    55,422,288.40/83,133,432.60 = 54,005,112.40/x
  3. Step 3: Cross multiply
    55,422,288.40x = 83,133,432.60 × 54,005,112.40
  4. Step 4: Simplify right side
    55,422,288.40x = 4,489,630,371,760,824
  5. Step 5: Solve for x
    x = 4,489,630,371,760,824/55,422,288.40
  6. Step 6: Final answer
    x = 81,007,668.60

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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.