Home / 81,073,170.60-111,881,083.32-43,903,515.03

Finding the Fourth Proportional to 81,073,170.60, 111,881,083.32 and 43,903,515.03

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Solution

The fourth proportional to 81,073,170.60, 111,881,083.32 and 43,903,515.03 is: 60,586,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073,170.60 : 111,881,083.32 = 43,903,515.03 : x
  2. Step 2: Convert to fraction form
    81,073,170.60/111,881,083.32 = 43,903,515.03/x
  3. Step 3: Cross multiply
    81,073,170.60x = 111,881,083.32 × 43,903,515.03
  4. Step 4: Simplify right side
    81,073,170.60x = 4,911,972,823,112,302
  5. Step 5: Solve for x
    x = 4,911,972,823,112,302/81,073,170.60
  6. Step 6: Final answer
    x = 60,586,909.17

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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.