Home / 275,110,625.28-379,638,940.16-151,348,120.32

Finding the Fourth Proportional to 275,110,625.28, 379,638,940.16 and 151,348,120.32

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Solution

The fourth proportional to 275,110,625.28, 379,638,940.16 and 151,348,120.32 is: 208,852,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,110,625.28 : 379,638,940.16 = 151,348,120.32 : x
  2. Step 2: Convert to fraction form
    275,110,625.28/379,638,940.16 = 151,348,120.32/x
  3. Step 3: Cross multiply
    275,110,625.28x = 379,638,940.16 × 151,348,120.32
  4. Step 4: Simplify right side
    275,110,625.28x = 57,457,639,993,492,960
  5. Step 5: Solve for x
    x = 57,457,639,993,492,960/275,110,625.28
  6. Step 6: Final answer
    x = 208,852,856.68

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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.