Home / 189,374,492.16-261,321,914.88-116,025,661.44

Finding the Fourth Proportional to 189,374,492.16, 261,321,914.88 and 116,025,661.44

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Solution

The fourth proportional to 189,374,492.16, 261,321,914.88 and 116,025,661.44 is: 160,106,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,374,492.16 : 261,321,914.88 = 116,025,661.44 : x
  2. Step 2: Convert to fraction form
    189,374,492.16/261,321,914.88 = 116,025,661.44/x
  3. Step 3: Cross multiply
    189,374,492.16x = 261,321,914.88 × 116,025,661.44
  4. Step 4: Simplify right side
    189,374,492.16x = 30,320,048,022,719,376
  5. Step 5: Solve for x
    x = 30,320,048,022,719,376/189,374,492.16
  6. Step 6: Final answer
    x = 160,106,293.50

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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.