Home / 127,253,112,913.01-190,899,282,531.49-43,387,231,107.89

Finding the Fourth Proportional to 127,253,112,913.01, 190,899,282,531.49 and 43,387,231,107.89

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Solution

The fourth proportional to 127,253,112,913.01, 190,899,282,531.49 and 43,387,231,107.89 is: 65,087,533,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,253,112,913.01 : 190,899,282,531.49 = 43,387,231,107.89 : x
  2. Step 2: Convert to fraction form
    127,253,112,913.01/190,899,282,531.49 = 43,387,231,107.89/x
  3. Step 3: Cross multiply
    127,253,112,913.01x = 190,899,282,531.49 × 43,387,231,107.89
  4. Step 4: Simplify right side
    127,253,112,913.01x = 8,282,591,289,524,144,308,224
  5. Step 5: Solve for x
    x = 8,282,591,289,524,144,308,224/127,253,112,913.01
  6. Step 6: Final answer
    x = 65,087,533,812.91

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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.