Home / 127,253,112,908.76-190,899,282,525.12-43,387,231,103.64

Finding the Fourth Proportional to 127,253,112,908.76, 190,899,282,525.12 and 43,387,231,103.64

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Solution

The fourth proportional to 127,253,112,908.76, 190,899,282,525.12 and 43,387,231,103.64 is: 65,087,533,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,253,112,908.76 : 190,899,282,525.12 = 43,387,231,103.64 : x
  2. Step 2: Convert to fraction form
    127,253,112,908.76/190,899,282,525.12 = 43,387,231,103.64/x
  3. Step 3: Cross multiply
    127,253,112,908.76x = 190,899,282,525.12 × 43,387,231,103.64
  4. Step 4: Simplify right side
    127,253,112,908.76x = 8,282,591,288,436,445,937,664
  5. Step 5: Solve for x
    x = 8,282,591,288,436,445,937,664/127,253,112,908.76
  6. Step 6: Final answer
    x = 65,087,533,806.54

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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.