Home / 127,261,759,725.90-190,676,621,113.29-76,791,147,414.75

Finding the Fourth Proportional to 127,261,759,725.90, 190,676,621,113.29 and 76,791,147,414.75

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Solution

The fourth proportional to 127,261,759,725.90, 190,676,621,113.29 and 76,791,147,414.75 is: 115,056,373,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,261,759,725.90 : 190,676,621,113.29 = 76,791,147,414.75 : x
  2. Step 2: Convert to fraction form
    127,261,759,725.90/190,676,621,113.29 = 76,791,147,414.75/x
  3. Step 3: Cross multiply
    127,261,759,725.90x = 190,676,621,113.29 × 76,791,147,414.75
  4. Step 4: Simplify right side
    127,261,759,725.90x = 14,642,276,520,457,085,648,896
  5. Step 5: Solve for x
    x = 14,642,276,520,457,085,648,896/127,261,759,725.90
  6. Step 6: Final answer
    x = 115,056,373,194.86

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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.