Home / 105,469,969,406.39-145,561,035,492.56-62,650,621,453.04

Finding the Fourth Proportional to 105,469,969,406.39, 145,561,035,492.56 and 62,650,621,453.04

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Solution

The fourth proportional to 105,469,969,406.39, 145,561,035,492.56 and 62,650,621,453.04 is: 86,465,269,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,469,969,406.39 : 145,561,035,492.56 = 62,650,621,453.04 : x
  2. Step 2: Convert to fraction form
    105,469,969,406.39/145,561,035,492.56 = 62,650,621,453.04/x
  3. Step 3: Cross multiply
    105,469,969,406.39x = 145,561,035,492.56 × 62,650,621,453.04
  4. Step 4: Simplify right side
    105,469,969,406.39x = 9,119,489,332,956,896,428,032
  5. Step 5: Solve for x
    x = 9,119,489,332,956,896,428,032/105,469,969,406.39
  6. Step 6: Final answer
    x = 86,465,269,538.65

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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.