Home / 127,380,133.52-190,790,132.88-105,269,932.88

Finding the Fourth Proportional to 127,380,133.52, 190,790,132.88 and 105,269,932.88

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Solution

The fourth proportional to 127,380,133.52, 190,790,132.88 and 105,269,932.88 is: 157,673,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,380,133.52 : 190,790,132.88 = 105,269,932.88 : x
  2. Step 2: Convert to fraction form
    127,380,133.52/190,790,132.88 = 105,269,932.88/x
  3. Step 3: Cross multiply
    127,380,133.52x = 190,790,132.88 × 105,269,932.88
  4. Step 4: Simplify right side
    127,380,133.52x = 20,084,464,482,443,880
  5. Step 5: Solve for x
    x = 20,084,464,482,443,880/127,380,133.52
  6. Step 6: Final answer
    x = 157,673,445.05

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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.