Home / 316,542,415.37-436,852,766.91-199,168,356.11

Finding the Fourth Proportional to 316,542,415.37, 436,852,766.91 and 199,168,356.11

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Solution

The fourth proportional to 316,542,415.37, 436,852,766.91 and 199,168,356.11 is: 274,867,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542,415.37 : 436,852,766.91 = 199,168,356.11 : x
  2. Step 2: Convert to fraction form
    316,542,415.37/436,852,766.91 = 199,168,356.11/x
  3. Step 3: Cross multiply
    316,542,415.37x = 436,852,766.91 × 199,168,356.11
  4. Step 4: Simplify right side
    316,542,415.37x = 87,007,247,445,385,440
  5. Step 5: Solve for x
    x = 87,007,247,445,385,440/316,542,415.37
  6. Step 6: Final answer
    x = 274,867,579.26

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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.