Home / 272,478,954.27-408,962,076.59-139,622,444.96

Finding the Fourth Proportional to 272,478,954.27, 408,962,076.59 and 139,622,444.96

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Solution

The fourth proportional to 272,478,954.27, 408,962,076.59 and 139,622,444.96 is: 209,558,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,478,954.27 : 408,962,076.59 = 139,622,444.96 : x
  2. Step 2: Convert to fraction form
    272,478,954.27/408,962,076.59 = 139,622,444.96/x
  3. Step 3: Cross multiply
    272,478,954.27x = 408,962,076.59 × 139,622,444.96
  4. Step 4: Simplify right side
    272,478,954.27x = 57,100,285,027,718,824
  5. Step 5: Solve for x
    x = 57,100,285,027,718,824/272,478,954.27
  6. Step 6: Final answer
    x = 209,558,515.00

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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.