Home / 312,076,354.60-430,672,324.88-178,111,581.51

Finding the Fourth Proportional to 312,076,354.60, 430,672,324.88 and 178,111,581.51

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Solution

The fourth proportional to 312,076,354.60, 430,672,324.88 and 178,111,581.51 is: 245,797,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,076,354.60 : 430,672,324.88 = 178,111,581.51 : x
  2. Step 2: Convert to fraction form
    312,076,354.60/430,672,324.88 = 178,111,581.51/x
  3. Step 3: Cross multiply
    312,076,354.60x = 430,672,324.88 × 178,111,581.51
  4. Step 4: Simplify right side
    312,076,354.60x = 76,707,728,899,025,616
  5. Step 5: Solve for x
    x = 76,707,728,899,025,616/312,076,354.60
  6. Step 6: Final answer
    x = 245,797,952.23

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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.