Home / 131,928,033.52-182,076,832.64-76,173,360.33

Finding the Fourth Proportional to 131,928,033.52, 182,076,832.64 and 76,173,360.33

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Solution

The fourth proportional to 131,928,033.52, 182,076,832.64 and 76,173,360.33 is: 105,128,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,928,033.52 : 182,076,832.64 = 76,173,360.33 : x
  2. Step 2: Convert to fraction form
    131,928,033.52/182,076,832.64 = 76,173,360.33/x
  3. Step 3: Cross multiply
    131,928,033.52x = 182,076,832.64 × 76,173,360.33
  4. Step 4: Simplify right side
    131,928,033.52x = 13,869,404,180,431,824
  5. Step 5: Solve for x
    x = 13,869,404,180,431,824/131,928,033.52
  6. Step 6: Final answer
    x = 105,128,559.95

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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.